diff --git a/backend/repository/campaign.go b/backend/repository/campaign.go
index 3a89f9d..531ddae 100644
--- a/backend/repository/campaign.go
+++ b/backend/repository/campaign.go
@@ -1783,7 +1783,7 @@ func (r *Campaign) GetCampaignStats(ctx context.Context, campaignID *uuid.UUID)
 func (r *Campaign) GetAllCampaignStats(ctx context.Context, companyID *uuid.UUID) ([]database.CampaignStats, error) {
 	var stats []database.CampaignStats
 
-	db := r.DB.WithContext(ctx).Order("created_at DESC")
+	db := r.DB.WithContext(ctx).Order("campaign_start_date DESC NULLS LAST, created_at DESC")
 
 	if companyID != nil {
 		db = db.Where("company_id = ?", companyID)
@@ -1817,7 +1817,7 @@ func (r *Campaign) DeleteCampaignStats(ctx context.Context, campaignID *uuid.UUI
 func (r *Campaign) GetManualCampaignStats(ctx context.Context, companyID *uuid.UUID) ([]database.CampaignStats, error) {
 	var stats []database.CampaignStats
 
-	db := r.DB.WithContext(ctx).Where("campaign_id IS NULL").Order("created_at DESC")
+	db := r.DB.WithContext(ctx).Where("campaign_id IS NULL").Order("campaign_start_date DESC NULLS LAST, created_at DESC")
 
 	if companyID != nil {
 		db = db.Where("company_id = ?", companyID)
diff --git a/backend/service/campaign.go b/backend/service/campaign.go
index 12eabfd..387eae6 100644
--- a/backend/service/campaign.go
+++ b/backend/service/campaign.go
@@ -4307,18 +4307,10 @@ func (c *Campaign) CreateManualCampaignStats(ctx context.Context, session *model
 	id := uuid.New()
 	now := time.Now()
 
-	// Use provided date for created_at and updated_at, or current time if not provided
-	var statsDate time.Time
-	if req.CampaignStartDate != nil {
-		statsDate = *req.CampaignStartDate
-	} else {
-		statsDate = now
-	}
-
 	// Set required fields
 	req.ID = &id
-	req.CreatedAt = &statsDate
-	req.UpdatedAt = &statsDate
+	req.CreatedAt = &now
+	req.UpdatedAt = &now
 	req.CampaignID = nil // No campaign reference for manual stats
 
 	// Calculate total events
diff --git a/frontend/src/lib/components/CampaignTrendChart.svelte b/frontend/src/lib/components/CampaignTrendChart.svelte
index 761e7d9..f74ef6b 100644
--- a/frontend/src/lib/components/CampaignTrendChart.svelte
+++ b/frontend/src/lib/components/CampaignTrendChart.svelte
@@ -287,20 +287,19 @@
 		// ignore errors
 	}
 
-	// Filtered campaigns based on selected time range (using sendStartAt or createdAt)
+	// Filtered campaigns based on selected time range (using sendStartAt)
 	$: filteredCampaignStats = (() => {
 		if (!campaignStats || campaignStats.length === 0) return [];
 		const range = Number(selectedTimeRange);
 		const now = new Date();
 		const cutoff = new Date(now.getFullYear(), now.getMonth() - range + 1, 1);
 		return campaignStats.filter((c) => {
-			const startDate = c.sendStartAt
-				? new Date(c.sendStartAt)
-				: c.createdAt
-					? new Date(c.createdAt)
-					: c.date instanceof Date
-						? c.date
-						: new Date(c.date);
+			// filter out stats with no dates (data integrity issue)
+			if (!c.campaignStartDate && !c.createdAt) {
+				console.warn('Filtering out campaign stat with missing dates:', c);
+				return false;
+			}
+			const startDate = c.campaignStartDate ? new Date(c.campaignStartDate) : new Date(c.createdAt);
 			return startDate >= cutoff;
 		});
 	})();
@@ -335,17 +334,18 @@
 		};
 	})();
 
-	// Update chartData to use filteredCampaignStats, using sendStartAt or createdAt as date, and sort by date ascending
+	// Update chartData to use filteredCampaignStats, using sendStartAt as date, and sort by date ascending
 	$: chartData = filteredCampaignStats
+		.filter((c) => {
+			if (!c.campaignStartDate && !c.createdAt) {
+				console.warn('Skipping campaign stat with missing dates in chart data:', c);
+				return false;
+			}
+			return true;
+		})
 		.map((c) => ({
 			...c,
-			date: c.sendStartAt
-				? new Date(c.sendStartAt)
-				: c.createdAt
-					? new Date(c.createdAt)
-					: c.date instanceof Date
-						? c.date
-						: new Date(c.date),
+			date: c.campaignStartDate ? new Date(c.campaignStartDate) : new Date(c.createdAt),
 			name: c.campaignName || c.name || c.title || ''
 		}))
 		.sort((a, b) => a.date.getTime() - b.date.getTime());
diff --git a/frontend/src/routes/company/[id]/stats/+page.svelte b/frontend/src/routes/company/[id]/stats/+page.svelte
index 7d4b0a8..0e7eb20 100644
--- a/frontend/src/routes/company/[id]/stats/+page.svelte
+++ b/frontend/src/routes/company/[id]/stats/+page.svelte
@@ -417,7 +417,7 @@
 					alignText="center"
 					value={`${pct.reported.count} (${pct.reported.absolute}%, rel: ${pct.reported.relative}%)`}
 				/>
-				<TableCell alignText="center" value={stats.createdAt} isDate isRelative />
+				<TableCell alignText="center" value={stats.campaignStartDate} isDate isRelative />
 				<TableCellEmpty />
 				<TableCellAction>
 					<TableDropDownEllipsis>