diff --git a/src/Backend/AutopilotMonitor.Functions.Tests/FleetHealthPayloadTests.cs b/src/Backend/AutopilotMonitor.Functions.Tests/FleetHealthPayloadTests.cs
index c8b970e1..b7498ee8 100644
--- a/src/Backend/AutopilotMonitor.Functions.Tests/FleetHealthPayloadTests.cs
+++ b/src/Backend/AutopilotMonitor.Functions.Tests/FleetHealthPayloadTests.cs
@@ -10,9 +10,10 @@ namespace AutopilotMonitor.Functions.Tests;
 /// <summary>
 /// Covers the server-side Fleet Health aggregation in
 /// <see cref="MetricsMath.BuildFleetHealthPayload"/>, the single source of truth shared by the
-/// tenant (metrics/fleet-health) and global (global/metrics/fleet-health) functions. These assert
-/// the semantics ported verbatim from the previous client-side aggregation — notably success rate
-/// over ALL sessions and average duration over non-in-progress sessions (failures included).
+/// tenant (metrics/fleet-health) and global (global/metrics/fleet-health) functions. Success and
+/// failure rates follow the SLA convention — over finished enrollments (Succeeded + Failed) only,
+/// so in-flight sessions never dilute them. Average duration stays over non-in-progress sessions
+/// that carry a duration (failures included).
 /// </summary>
 public class FleetHealthPayloadTests
 {
@@ -55,7 +56,7 @@ public class FleetHealthPayloadTests
     }
 
     [Fact]
-    public void SuccessRate_IsOverAllSessions_NotJustTerminal()
+    public void SuccessRate_IsOverFinishedSessions_InFlightAndIncompleteExcluded()
     {
         var sessions = new List<SessionSummary>
         {
@@ -63,16 +64,34 @@ public class FleetHealthPayloadTests
             S(SessionStatus.Succeeded),
             S(SessionStatus.Failed),
             S(SessionStatus.InProgress),
+            S(SessionStatus.Pending),
+            S(SessionStatus.Incomplete), // terminal but non-failure — stays out of the rate
         };
 
         var payload = MetricsMath.BuildFleetHealthPayload(sessions, days: 7);
 
-        Assert.Equal(4, payload.Stats.Total);
+        Assert.Equal(6, payload.Stats.Total);
         Assert.Equal(2, payload.Stats.Succeeded);
         Assert.Equal(1, payload.Stats.Failed);
         Assert.Equal(1, payload.Stats.InProgress);
-        // 2 / 4 = 50% (over total), NOT 2 / 3 = 66.7% (over terminal).
-        Assert.Equal(50d, payload.Stats.SuccessRate);
+        Assert.Equal(1, payload.Stats.Incomplete);
+        // 2 / (2 + 1) = 66.7% (over finished), NOT 2 / 6 = 33.3% (over total).
+        Assert.Equal(66.7d, payload.Stats.SuccessRate);
+    }
+
+    [Fact]
+    public void SuccessRate_IsZero_WhenNothingFinishedYet()
+    {
+        var sessions = new List<SessionSummary>
+        {
+            S(SessionStatus.InProgress),
+            S(SessionStatus.Pending),
+        };
+
+        var payload = MetricsMath.BuildFleetHealthPayload(sessions, days: 7);
+
+        // No finished enrollments → no rate; clients render "—" off Succeeded + Failed == 0.
+        Assert.Equal(0d, payload.Stats.SuccessRate);
     }
 
     [Fact]
@@ -111,6 +130,27 @@ public class FleetHealthPayloadTests
         Assert.DoesNotContain(payload.ModelHealth, m => m.Model == "Contoso Model1");
     }
 
+    [Fact]
+    public void ModelHealth_CountsFailedSeparately_InFlightInTotalOnly()
+    {
+        var sessions = new List<SessionSummary>
+        {
+            S(SessionStatus.Succeeded, model: "X"),
+            S(SessionStatus.Failed, model: "X"),
+            S(SessionStatus.InProgress, model: "X"),
+        };
+
+        var payload = MetricsMath.BuildFleetHealthPayload(sessions, days: 7);
+
+        var m = Assert.Single(payload.ModelHealth);
+        // Total keeps the full device count; the client derives the rate from
+        // Succeeded / (Succeeded + Failed), so the in-flight session must land
+        // in Total but in neither outcome bucket.
+        Assert.Equal(3, m.Total);
+        Assert.Equal(1, m.Succeeded);
+        Assert.Equal(1, m.Failed);
+    }
+
     [Fact]
     public void ModelKey_FallsBackToUnknown_WhenManufacturerAndModelBlank()
     {
@@ -147,10 +187,13 @@ public class FleetHealthPayloadTests
     {
         var sessions = new List<SessionSummary>
         {
-            // Model A: 1 failed of 2 → 50%
+            // Model A: 1 failed / 2 finished → 50%; the 2 in-flight sessions widen Total
+            // but must not dilute the rate (over-total it would read 25%).
             S(SessionStatus.Failed, model: "A"),
             S(SessionStatus.Succeeded, model: "A"),
-            // Model B: 2 failed of 2 → 100%
+            S(SessionStatus.InProgress, model: "A"),
+            S(SessionStatus.Pending, model: "A"),
+            // Model B: 2 failed of 2 finished → 100%
             S(SessionStatus.Failed, model: "B"),
             S(SessionStatus.Failed, model: "B"),
             // Model C: no failures → excluded entirely
@@ -164,6 +207,7 @@ public class FleetHealthPayloadTests
         Assert.Equal(2, payload.TopFailingModels[0].Failed);
         Assert.Equal(100, payload.TopFailingModels[0].FailureRate);
         Assert.Equal("Contoso A", payload.TopFailingModels[1].Model);
+        Assert.Equal(4, payload.TopFailingModels[1].Total);
         Assert.Equal(50, payload.TopFailingModels[1].FailureRate);
         Assert.DoesNotContain(payload.TopFailingModels, m => m.Model == "Contoso C");
     }
diff --git a/src/Backend/AutopilotMonitor.Functions.Tests/GeographicMetricsSuccessRateTests.cs b/src/Backend/AutopilotMonitor.Functions.Tests/GeographicMetricsSuccessRateTests.cs
new file mode 100644
index 00000000..ad757cf7
--- /dev/null
+++ b/src/Backend/AutopilotMonitor.Functions.Tests/GeographicMetricsSuccessRateTests.cs
@@ -0,0 +1,99 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using AutopilotMonitor.Functions.Functions.Metrics;
+using AutopilotMonitor.Shared.Models;
+using Xunit;
+
+namespace AutopilotMonitor.Functions.Tests;
+
+/// <summary>
+/// Pins the success-rate semantics of the geographic aggregation
+/// (<see cref="GetGeographicMetricsFunction.ComputeGeographicMetrics"/>): the rate is an outcome
+/// quota over finished enrollments (Succeeded + Failed) following the SLA convention. In-flight
+/// sessions (InProgress/Pending/Stalled/AwaitingUser) and Incomplete (terminal, non-failure) sit
+/// in SessionCount but never dilute the rate — the customer-visible symptom this pins against was
+/// a site mid-rollout showing a poor rate despite zero actual failures.
+/// </summary>
+public class GeographicMetricsSuccessRateTests
+{
+    private static SessionSummary S(SessionStatus status, string city = "Frankfurt")
+        => new()
+        {
+            TenantId = "00000000-0000-0000-0000-000000000fe0",
+            SessionId = Guid.NewGuid().ToString(),
+            Status = status,
+            StartedAt = DateTime.UtcNow.AddHours(-2),
+            GeoCountry = "DE",
+            GeoRegion = "Hessen",
+            GeoCity = city,
+            GeoLoc = "50.11,8.68",
+        };
+
+    [Fact]
+    public void SuccessRate_IsOverFinishedSessions_InFlightAndIncompleteExcluded()
+    {
+        var sessions = new List<SessionSummary>
+        {
+            S(SessionStatus.Succeeded),
+            S(SessionStatus.Succeeded),
+            S(SessionStatus.Succeeded),
+            S(SessionStatus.Failed),
+            S(SessionStatus.InProgress),
+            S(SessionStatus.Pending),
+            S(SessionStatus.AwaitingUser),
+            S(SessionStatus.Incomplete), // terminal but non-failure — stays out of the rate
+        };
+
+        var result = GetGeographicMetricsFunction.ComputeGeographicMetrics(
+            sessions, new List<AppInstallSummary>(), "city");
+
+        var loc = Assert.Single(result.Locations);
+        Assert.Equal(8, loc.SessionCount);
+        Assert.Equal(3, loc.Succeeded);
+        Assert.Equal(1, loc.Failed);
+        // 3 / (3 + 1) = 75% (over finished), NOT 3 / 8 = 37.5% (over all sessions).
+        Assert.Equal(75d, loc.SuccessRate);
+    }
+
+    [Fact]
+    public void SuccessRate_IsZero_WhenNothingFinishedYet()
+    {
+        var sessions = new List<SessionSummary>
+        {
+            S(SessionStatus.InProgress),
+            S(SessionStatus.Pending),
+        };
+
+        var result = GetGeographicMetricsFunction.ComputeGeographicMetrics(
+            sessions, new List<AppInstallSummary>(), "city");
+
+        var loc = Assert.Single(result.Locations);
+        // No finished enrollments → no rate; the frontend renders "—" off Succeeded + Failed == 0.
+        Assert.Equal(0d, loc.SuccessRate);
+        Assert.Equal(0, loc.Succeeded + loc.Failed);
+        Assert.Equal(2, loc.SessionCount);
+    }
+
+    [Fact]
+    public void SuccessRate_IsPerLocation_NotGlobal()
+    {
+        var sessions = new List<SessionSummary>
+        {
+            // Frankfurt: 1 / 1 finished → 100% despite the in-flight session.
+            S(SessionStatus.Succeeded, city: "Frankfurt"),
+            S(SessionStatus.InProgress, city: "Frankfurt"),
+            // Berlin: 1 / 2 finished → 50%.
+            S(SessionStatus.Succeeded, city: "Berlin"),
+            S(SessionStatus.Failed, city: "Berlin"),
+        };
+
+        var result = GetGeographicMetricsFunction.ComputeGeographicMetrics(
+            sessions, new List<AppInstallSummary>(), "city");
+
+        var frankfurt = result.Locations.Single(l => l.City == "Frankfurt");
+        var berlin = result.Locations.Single(l => l.City == "Berlin");
+        Assert.Equal(100d, frankfurt.SuccessRate);
+        Assert.Equal(50d, berlin.SuccessRate);
+    }
+}
diff --git a/src/Backend/AutopilotMonitor.Functions/Functions/Metrics/GetGeographicMetricsFunction.cs b/src/Backend/AutopilotMonitor.Functions/Functions/Metrics/GetGeographicMetricsFunction.cs
index 085eefda..9808700d 100644
--- a/src/Backend/AutopilotMonitor.Functions/Functions/Metrics/GetGeographicMetricsFunction.cs
+++ b/src/Backend/AutopilotMonitor.Functions/Functions/Metrics/GetGeographicMetricsFunction.cs
@@ -106,6 +106,13 @@ namespace AutopilotMonitor.Functions.Functions.Metrics
                 var first = group.First();
                 var succeeded = group.Where(s => s.Status == SessionStatus.Succeeded).ToList();
                 var failed = group.Where(s => s.Status == SessionStatus.Failed).ToList();
+                // Success rate is an outcome quota over finished enrollments only
+                // (Succeeded + Failed), matching the SLA convention. In-flight sessions
+                // (InProgress/Pending/Stalled/AwaitingUser) and Incomplete (terminal,
+                // non-failure) must not dilute it — a site mid-rollout would otherwise
+                // show a poor rate despite zero actual failures. 0 finished → 0; the
+                // frontend renders "—" off Succeeded+Failed instead of a 0% badge.
+                var finished = succeeded.Count + failed.Count;
 
                 // Duration stats from succeeded sessions with valid duration
                 var durations = succeeded
@@ -156,7 +163,7 @@ namespace AutopilotMonitor.Functions.Functions.Metrics
                     SessionCount = group.Count(),
                     Succeeded = succeeded.Count,
                     Failed = failed.Count,
-                    SuccessRate = group.Count() > 0 ? Math.Round((double)succeeded.Count / group.Count() * 100, 1) : 0,
+                    SuccessRate = finished > 0 ? Math.Round((double)succeeded.Count / finished * 100, 1) : 0,
                     AvgDurationMinutes = Math.Round(avgDuration, 1),
                     MedianDurationMinutes = Math.Round(medianDuration, 1),
                     P95DurationMinutes = Math.Round(p95Duration, 1),
diff --git a/src/Backend/AutopilotMonitor.Functions/Helpers/MetricsMath.cs b/src/Backend/AutopilotMonitor.Functions/Helpers/MetricsMath.cs
index f3fe1833..0559efd3 100644
--- a/src/Backend/AutopilotMonitor.Functions/Helpers/MetricsMath.cs
+++ b/src/Backend/AutopilotMonitor.Functions/Helpers/MetricsMath.cs
@@ -93,9 +93,10 @@ public static class MetricsMath
     /// Single source of truth for the tenant (<c>metrics/fleet-health</c>) and global
     /// (<c>global/metrics/fleet-health</c>) functions. Replaces the previous client-side path that
     /// drained up to 200k raw sessions into the browser and ran these aggregations on the main
-    /// thread. Semantics are preserved verbatim from that client code, notably: success rate is
-    /// over ALL sessions (not just terminal ones), and average duration counts every
-    /// non-in-progress session that carries a positive duration (failures included).
+    /// thread. Success rate follows the SLA convention: Succeeded / (Succeeded + Failed) — finished
+    /// enrollments only, so in-flight sessions and Incomplete (terminal, non-failure) never dilute
+    /// it. Average duration counts every non-in-progress session that carries a positive duration
+    /// (failures included).
     /// </summary>
     public static FleetHealthMetrics BuildFleetHealthPayload(IReadOnlyList<SessionSummary> sessions, int days)
     {
@@ -121,6 +122,7 @@ public static class MetricsMath
         }
 
         int total = sessions.Count;
+        int finished = succeeded + failed;
         var stats = new FleetHealthStats
         {
             Total = total,
@@ -128,7 +130,7 @@ public static class MetricsMath
             Failed = failed,
             InProgress = inProgress,
             Incomplete = incomplete,
-            SuccessRate = total > 0 ? Math.Round((double)succeeded / total * 100, 1) : 0,
+            SuccessRate = finished > 0 ? Math.Round((double)succeeded / finished * 100, 1) : 0,
             AvgDurationMinutes = completedWithDurationCount > 0
                 ? (int)Math.Round((double)completedDurationSeconds / completedWithDurationCount / 60.0, MidpointRounding.AwayFromZero)
                 : 0,
@@ -208,6 +210,7 @@ public static class MetricsMath
             }
             m.Total++;
             if (s.Status == SessionStatus.Succeeded) m.Succeeded++;
+            else if (s.Status == SessionStatus.Failed) m.Failed++;
         }
         return models.Values
             .OrderByDescending(m => m.Total)
@@ -240,15 +243,18 @@ public static class MetricsMath
 
     private static List<FleetFailingModel> BuildFleetTopFailingModels(IReadOnlyList<SessionSummary> sessions)
     {
-        var acc = new Dictionary<string, (int Failed, int Total)>();
+        var acc = new Dictionary<string, (int Failed, int Succeeded, int Total)>();
         foreach (var s in sessions)
         {
             var key = FleetModelKey(s);
             acc.TryGetValue(key, out var cur);
             cur.Total++;
             if (s.Status == SessionStatus.Failed) cur.Failed++;
+            else if (s.Status == SessionStatus.Succeeded) cur.Succeeded++;
             acc[key] = cur;
         }
+        // FailureRate over finished enrollments only (mirror of the success-rate convention);
+        // the Where(Failed > 0) guard also keeps the denominator non-zero.
         return acc
             .Where(kv => kv.Value.Failed > 0)
             .Select(kv => new FleetFailingModel
@@ -256,7 +262,8 @@ public static class MetricsMath
                 Model = kv.Key,
                 Failed = kv.Value.Failed,
                 Total = kv.Value.Total,
-                FailureRate = (int)Math.Round((double)kv.Value.Failed / kv.Value.Total * 100, MidpointRounding.AwayFromZero),
+                FailureRate = (int)Math.Round(
+                    (double)kv.Value.Failed / (kv.Value.Failed + kv.Value.Succeeded) * 100, MidpointRounding.AwayFromZero),
             })
             .OrderByDescending(m => m.Failed)
             .Take(5)
diff --git a/src/Shared/AutopilotMonitor.Shared/Models/FleetHealthModels.cs b/src/Shared/AutopilotMonitor.Shared/Models/FleetHealthModels.cs
index 06b08da7..d4bb7405 100644
--- a/src/Shared/AutopilotMonitor.Shared/Models/FleetHealthModels.cs
+++ b/src/Shared/AutopilotMonitor.Shared/Models/FleetHealthModels.cs
@@ -36,7 +36,8 @@ namespace AutopilotMonitor.Shared.Models
         public int InProgress { get; set; }
         /// <summary>Terminal, non-failure sessions (timeout reclassification). Surfaced as its own count; not a failure.</summary>
         public int Incomplete { get; set; }
-        /// <summary>Succeeded / total * 100 (one decimal). Note: over all sessions, not just terminal.</summary>
+        /// <summary>Succeeded / (Succeeded + Failed) * 100 (one decimal) — finished enrollments only,
+        /// matching the SLA convention. 0 when nothing has finished yet (clients render "—").</summary>
         public double SuccessRate { get; set; }
         /// <summary>Average duration in minutes over non-in-progress sessions that carry a duration.</summary>
         public int AvgDurationMinutes { get; set; }
@@ -58,8 +59,11 @@ namespace AutopilotMonitor.Shared.Models
     public sealed class FleetModelHealth
     {
         public string Model { get; set; } = default!;
+        /// <summary>All sessions on this model in the window, including in-flight ones.</summary>
         public int Total { get; set; }
         public int Succeeded { get; set; }
+        /// <summary>Clients derive the per-model rate as Succeeded / (Succeeded + Failed).</summary>
+        public int Failed { get; set; }
     }
 
     public sealed class FleetSlowModel
@@ -73,7 +77,9 @@ namespace AutopilotMonitor.Shared.Models
     {
         public string Model { get; set; } = default!;
         public int Failed { get; set; }
+        /// <summary>All sessions on this model in the window, including in-flight ones.</summary>
         public int Total { get; set; }
+        /// <summary>Failed / (Failed + Succeeded) * 100, rounded — finished enrollments only.</summary>
         public int FailureRate { get; set; }
     }
 }
diff --git a/src/Web/autopilot-monitor-web/app/fleet-health/hooks/useFleetHealth.ts b/src/Web/autopilot-monitor-web/app/fleet-health/hooks/useFleetHealth.ts
index f969e4cb..b2ea5813 100644
--- a/src/Web/autopilot-monitor-web/app/fleet-health/hooks/useFleetHealth.ts
+++ b/src/Web/autopilot-monitor-web/app/fleet-health/hooks/useFleetHealth.ts
@@ -16,6 +16,7 @@ export interface FleetHealthStats {
   inProgress: number;
   /** Terminal, non-failure (timeout reclassification). Surfaced separately; not counted as a failure. */
   incomplete: number;
+  /** Succeeded / (succeeded + failed) — finished enrollments only. 0 when nothing finished yet. */
   successRate: number;
   avgDurationMinutes: number;
 }
@@ -30,8 +31,10 @@ export interface FleetFailureReason {
 }
 export interface FleetModelHealth {
   model: string;
+  /** All sessions on this model in the window, including in-flight ones. */
   total: number;
   succeeded: number;
+  failed: number;
 }
 export interface FleetSlowModel {
   model: string;
diff --git a/src/Web/autopilot-monitor-web/app/fleet-health/page.tsx b/src/Web/autopilot-monitor-web/app/fleet-health/page.tsx
index 9b960cec..7c6c88f8 100644
--- a/src/Web/autopilot-monitor-web/app/fleet-health/page.tsx
+++ b/src/Web/autopilot-monitor-web/app/fleet-health/page.tsx
@@ -129,6 +129,9 @@ export default function FleetHealthPage() {
     successRate: s?.successRate ?? 0,
     avgDuration: s?.avgDurationMinutes ?? 0,
   };
+  // Success rate is an outcome quota over finished enrollments (succeeded + failed);
+  // with none finished there is no rate to show — the card renders "—" instead of 0%.
+  const finishedCount = stats.succeeded + stats.failed;
   const modelHealth = data?.modelHealth ?? [];
   const slowestModels = data?.slowestModels ?? [];
 
@@ -238,10 +241,16 @@ export default function FleetHealthPage() {
           <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-5 gap-5 mb-8">
             <FleetStatCard
               title="Success Rate"
-              value={`${stats.successRate.toFixed(1)}%`}
-              subtitle={`${stats.succeeded} of ${stats.total} enrollments`}
+              value={finishedCount > 0 ? `${stats.successRate.toFixed(1)}%` : "—"}
+              subtitle={
+                finishedCount > 0
+                  ? `${stats.succeeded} of ${finishedCount} finished enrollments`
+                  : "No finished enrollments yet"
+              }
               color={
-                stats.successRate >= 95
+                finishedCount === 0
+                  ? "slate"
+                  : stats.successRate >= 95
                   ? "green"
                   : stats.successRate >= 80
                   ? "yellow"
@@ -631,10 +640,13 @@ export default function FleetHealthPage() {
             ) : (
               <div className="space-y-3">
                 {modelHealth.map((m) => {
+                  // Rate over finished enrollments only; devices still enrolling don't count
+                  // against the model. No finished enrollments → no rate ("—", neutral bar).
+                  const finished = m.succeeded + m.failed;
                   const successRate =
-                    m.total > 0
-                      ? Math.round((m.succeeded / m.total) * 100)
-                      : 0;
+                    finished > 0
+                      ? Math.round((m.succeeded / finished) * 100)
+                      : null;
                   return (
                     <Link
                       key={m.model}
@@ -645,19 +657,21 @@ export default function FleetHealthPage() {
                       <div className="flex items-baseline justify-between mb-1">
                         <span className="text-sm text-gray-700 group-hover:text-blue-600 break-words leading-snug">{m.model}</span>
                         <span className="ml-3 flex-shrink-0 text-sm font-medium text-gray-900">
-                          {successRate}% <span className="text-xs font-normal text-gray-400">({m.total} devices)</span>
+                          {successRate !== null ? `${successRate}%` : "—"} <span className="text-xs font-normal text-gray-400">({m.total} devices)</span>
                         </span>
                       </div>
                       <div className="w-full h-2 bg-gray-100 rounded-full overflow-hidden">
                         <div
                           className={`h-full rounded-full transition-all ${
-                            successRate >= 95
+                            successRate === null
+                              ? "bg-gray-300"
+                              : successRate >= 95
                               ? "bg-green-500"
                               : successRate >= 80
                               ? "bg-yellow-500"
                               : "bg-red-500"
                           }`}
-                          style={{ width: `${successRate}%` }}
+                          style={{ width: `${successRate ?? 0}%` }}
                         />
                       </div>
                     </Link>
diff --git a/src/Web/autopilot-monitor-web/app/geographic-performance/GeoMap.tsx b/src/Web/autopilot-monitor-web/app/geographic-performance/GeoMap.tsx
index 257a0e73..d3b4fc89 100644
--- a/src/Web/autopilot-monitor-web/app/geographic-performance/GeoMap.tsx
+++ b/src/Web/autopilot-monitor-web/app/geographic-performance/GeoMap.tsx
@@ -11,8 +11,11 @@ interface LocationMetric {
   city: string;
   loc: string;
   sessionCount: number;
+  succeeded: number;
+  failed: number;
   avgDurationMinutes: number;
   appLoadScore: number;
+  /** Over finished enrollments (succeeded + failed) only; 0 when nothing finished yet. */
   successRate: number;
   avgThroughputBytesPerSec: number;
   isOutlier: boolean;
@@ -160,7 +163,10 @@ export default function GeoMap({ locations, globalAvgDuration, selectedLocation,
             <Tooltip direction="top" offset={[0, -10]} opacity={0.95}>
               <div className="text-xs">
                 <div className="font-bold text-sm mb-1">{loc.locationKey}</div>
-                <div><strong>Sessions:</strong> {loc.sessionCount} ({loc.successRate}% success)</div>
+                <div>
+                  <strong>Sessions:</strong> {loc.sessionCount}
+                  {loc.succeeded + loc.failed > 0 ? ` (${loc.successRate}% success)` : " (none finished yet)"}
+                </div>
                 <div><strong>Avg Duration:</strong> {Math.round(loc.avgDurationMinutes)} min</div>
                 {loc.appLoadScore > 0 && (
                   <div><strong>App-Load-Score:</strong> {Math.round(loc.appLoadScore)}</div>
diff --git a/src/Web/autopilot-monitor-web/app/geographic-performance/page.tsx b/src/Web/autopilot-monitor-web/app/geographic-performance/page.tsx
index a082ad7b..b59fb760 100644
--- a/src/Web/autopilot-monitor-web/app/geographic-performance/page.tsx
+++ b/src/Web/autopilot-monitor-web/app/geographic-performance/page.tsx
@@ -507,17 +507,28 @@ export default function GeographicPerformancePage() {
                           </td>
                           <td className="px-4 py-3 text-sm text-gray-700 font-medium">{loc.sessionCount}</td>
                           <td className="px-4 py-3 text-sm">
-                            <span
-                              className={`inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${
-                                loc.successRate >= 90
-                                  ? "bg-green-100 text-green-800"
-                                  : loc.successRate >= 70
-                                  ? "bg-yellow-100 text-yellow-800"
-                                  : "bg-red-100 text-red-800"
-                              }`}
-                            >
-                              {loc.successRate}%
-                            </span>
+                            {/* Rate is over finished enrollments (succeeded + failed) only; a
+                                location where everything is still in flight has no rate yet. */}
+                            {loc.succeeded + loc.failed > 0 ? (
+                              <span
+                                className={`inline-flex items-center px-2 py-0.5 rounded text-xs font-medium ${
+                                  loc.successRate >= 90
+                                    ? "bg-green-100 text-green-800"
+                                    : loc.successRate >= 70
+                                    ? "bg-yellow-100 text-yellow-800"
+                                    : "bg-red-100 text-red-800"
+                                }`}
+                              >
+                                {loc.successRate}%
+                              </span>
+                            ) : (
+                              <span
+                                className="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-gray-100 text-gray-500"
+                                title="No finished enrollments yet"
+                              >
+                                —
+                              </span>
+                            )}
                           </td>
                           <td className="px-4 py-3 text-sm">
                             <span