diff --git a/assets/js/components/ChargingPlan.vue b/assets/js/components/ChargingPlan.vue
index edb2d804f..7fb993577 100644
--- a/assets/js/components/ChargingPlan.vue
+++ b/assets/js/components/ChargingPlan.vue
@@ -15,7 +15,7 @@
 						<span class="targetTimeLabel"> {{ targetTimeLabel() }}</span>
 						<div
 							class="extraValue text-nowrap"
-							:class="{ 'text-warning': planOverrun }"
+							:class="{ 'text-warning': planTimeUnreachable }"
 						>
 							{{ targetSocLabel }}
 						</div>
@@ -125,7 +125,7 @@ export default {
 		planActive: Boolean,
 		planEnergy: Number,
 		planTime: String,
-		planOverrun: Boolean,
+		planTimeUnreachable: Boolean,
 		rangePerSoc: Number,
 		smartCostLimit: Number,
 		smartCostType: String,
@@ -146,7 +146,7 @@ export default {
 	},
 	computed: {
 		buttonColor: function () {
-			if (this.planOverrun) {
+			if (this.planTimeUnreachable) {
 				return "text-warning";
 			}
 			if (!this.enabled) {
diff --git a/assets/js/components/ChargingPlanWarnings.vue b/assets/js/components/ChargingPlanWarnings.vue
index 5b4936015..bdb0cbc9f 100644
--- a/assets/js/components/ChargingPlanWarnings.vue
+++ b/assets/js/components/ChargingPlanWarnings.vue
@@ -78,10 +78,8 @@ export default {
 			if (planTime && this.endTime) {
 				const dateWanted = new Date(planTime);
 				const dateEstimated = new Date(this.endTime);
-				// account for rounding errors
-				dateWanted.setSeconds(60);
-				dateEstimated.setSeconds(0);
-				return dateWanted < dateEstimated;
+				// 1 minute tolerance
+				return dateEstimated - dateWanted > 60 * 1e3;
 			}
 			return false;
 		},
diff --git a/assets/js/components/Loadpoint.vue b/assets/js/components/Loadpoint.vue
index 2a685bb8d..e8374af87 100644
--- a/assets/js/components/Loadpoint.vue
+++ b/assets/js/components/Loadpoint.vue
@@ -151,7 +151,7 @@ export default {
 		vehicles: Array,
 		planActive: Boolean,
 		planProjectedStart: String,
-		planOverrun: Boolean,
+		planOverrun: Number,
 		planEnergy: Number,
 		planTime: String,
 		effectivePlanTime: String,
@@ -241,6 +241,10 @@ export default {
 			const features = this.vehicle?.features || [];
 			return features.includes("Offline") && features.includes("Retryable");
 		},
+		planTimeUnreachable: function () {
+			// 1 minute tolerance
+			return this.planOverrun > 60;
+		},
 		socBasedCharging: function () {
 			return this.vehicleHasSoc || this.vehicleSoc > 0;
 		},
diff --git a/assets/js/components/Vehicle.vue b/assets/js/components/Vehicle.vue
index 9e9520d74..4a199ea4a 100644
--- a/assets/js/components/Vehicle.vue
+++ b/assets/js/components/Vehicle.vue
@@ -106,7 +106,7 @@ export default {
 		planEnergy: Number,
 		planProjectedStart: String,
 		planTime: String,
-		planOverrun: Boolean,
+		planTimeUnreachable: Boolean,
 		pvAction: String,
 		pvRemainingInterpolated: Number,
 		smartCostActive: Boolean,
diff --git a/assets/js/components/VehicleSoc.vue b/assets/js/components/VehicleSoc.vue
index 831bb9816..dd6dccd5b 100644
--- a/assets/js/components/VehicleSoc.vue
+++ b/assets/js/components/VehicleSoc.vue
@@ -43,7 +43,7 @@
 				class="plan-marker"
 				data-bs-toggle="tooltip"
 				:class="{
-					'plan-marker--warning': planOverrun,
+					'plan-marker--warning': planTimeUnreachable,
 					'plan-marker--error': planMarkerUnreachable,
 				}"
 				:style="{ left: `${planMarkerPosition}%` }"
@@ -91,7 +91,7 @@ export default {
 		effectiveLimitSoc: Number,
 		limitEnergy: Number,
 		planEnergy: Number,
-		planOverrun: Boolean,
+		planTimeUnreachable: Boolean,
 		chargedEnergy: Number,
 		socBasedCharging: Boolean,
 		socBasedPlanning: Boolean,
diff --git a/core/loadpoint_plan.go b/core/loadpoint_plan.go
index 23f81f0ed..70cc0c0ee 100644
--- a/core/loadpoint_plan.go
+++ b/core/loadpoint_plan.go
@@ -88,7 +88,7 @@ func (lp *Loadpoint) plannerActive() (active bool) {
 	}()
 
 	var planStart time.Time
-	var planOverrun bool
+	var planOverrun time.Duration
 	defer func() {
 		lp.publish(keys.PlanProjectedStart, planStart)
 		lp.publish(keys.PlanOverrun, planOverrun)
@@ -125,7 +125,7 @@ func (lp *Loadpoint) plannerActive() (active bool) {
 	var overrun string
 	if excessDuration := requiredDuration - lp.clock.Until(planTime); excessDuration > 0 {
 		overrun = fmt.Sprintf("overruns by %v, ", excessDuration.Round(time.Second))
-		planOverrun = true
+		planOverrun = excessDuration
 	}
 
 	planStart = planner.Start(plan)