diff --git a/Lite/Services/RemoteCollectorService.ProcedureStats.cs b/Lite/Services/RemoteCollectorService.ProcedureStats.cs
index 349e2518..0b93c483 100644
--- a/Lite/Services/RemoteCollectorService.ProcedureStats.cs
+++ b/Lite/Services/RemoteCollectorService.ProcedureStats.cs
@@ -278,12 +278,12 @@ ORDER BY s.total_elapsed_time DESC
                     /* Delta key: plan_handle to prevent cross-contamination
                        when multiple plans exist for the same object */
                     var deltaKey = planHandle ?? $"{dbName}.{schemaName}.{objectName}";
-                    var deltaExec = _deltaCalculator.CalculateDelta(serverId, "proc_stats_exec", deltaKey, execCount);
-                    var deltaWorker = _deltaCalculator.CalculateDelta(serverId, "proc_stats_worker", deltaKey, workerTime);
-                    var deltaElapsed = _deltaCalculator.CalculateDelta(serverId, "proc_stats_elapsed", deltaKey, elapsedTime);
-                    var deltaReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_reads", deltaKey, logicalReads);
-                    var deltaWrites = _deltaCalculator.CalculateDelta(serverId, "proc_stats_writes", deltaKey, logicalWrites);
-                    var deltaPhysReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_phys_reads", deltaKey, physicalReads);
+                    var deltaExec = _deltaCalculator.CalculateDelta(serverId, "proc_stats_exec", deltaKey, execCount, baselineOnly: true);
+                    var deltaWorker = _deltaCalculator.CalculateDelta(serverId, "proc_stats_worker", deltaKey, workerTime, baselineOnly: true);
+                    var deltaElapsed = _deltaCalculator.CalculateDelta(serverId, "proc_stats_elapsed", deltaKey, elapsedTime, baselineOnly: true);
+                    var deltaReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_reads", deltaKey, logicalReads, baselineOnly: true);
+                    var deltaWrites = _deltaCalculator.CalculateDelta(serverId, "proc_stats_writes", deltaKey, logicalWrites, baselineOnly: true);
+                    var deltaPhysReads = _deltaCalculator.CalculateDelta(serverId, "proc_stats_phys_reads", deltaKey, physicalReads, baselineOnly: true);
 
                     /* Appender column order must match DuckDB table definition exactly */
                     var row = appender.CreateRow();
diff --git a/Lite/Services/RemoteCollectorService.QueryStats.cs b/Lite/Services/RemoteCollectorService.QueryStats.cs
index b8b0962d..810e5ca6 100644
--- a/Lite/Services/RemoteCollectorService.QueryStats.cs
+++ b/Lite/Services/RemoteCollectorService.QueryStats.cs
@@ -239,14 +239,14 @@ qs.total_elapsed_time DESC
                     /* Delta calculations keyed by plan_handle to prevent cross-contamination
                        when multiple plans exist for the same query_hash */
                     var deltaKey = planHandle ?? queryHash;
-                    var deltaExecCount = _deltaCalculator.CalculateDelta(serverId, "query_stats_exec", deltaKey, executionCount);
-                    var deltaWorkerTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_worker", deltaKey, totalWorkerTime);
-                    var deltaElapsedTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_elapsed", deltaKey, totalElapsedTime);
-                    var deltaLogicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_reads", deltaKey, totalLogicalReads);
-                    var deltaLogicalWrites = _deltaCalculator.CalculateDelta(serverId, "query_stats_writes", deltaKey, totalLogicalWrites);
-                    var deltaPhysicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_phys_reads", deltaKey, totalPhysicalReads);
-                    var deltaRows = _deltaCalculator.CalculateDelta(serverId, "query_stats_rows", deltaKey, totalRows);
-                    var deltaSpills = _deltaCalculator.CalculateDelta(serverId, "query_stats_spills", deltaKey, totalSpills);
+                    var deltaExecCount = _deltaCalculator.CalculateDelta(serverId, "query_stats_exec", deltaKey, executionCount, baselineOnly: true);
+                    var deltaWorkerTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_worker", deltaKey, totalWorkerTime, baselineOnly: true);
+                    var deltaElapsedTime = _deltaCalculator.CalculateDelta(serverId, "query_stats_elapsed", deltaKey, totalElapsedTime, baselineOnly: true);
+                    var deltaLogicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_reads", deltaKey, totalLogicalReads, baselineOnly: true);
+                    var deltaLogicalWrites = _deltaCalculator.CalculateDelta(serverId, "query_stats_writes", deltaKey, totalLogicalWrites, baselineOnly: true);
+                    var deltaPhysicalReads = _deltaCalculator.CalculateDelta(serverId, "query_stats_phys_reads", deltaKey, totalPhysicalReads, baselineOnly: true);
+                    var deltaRows = _deltaCalculator.CalculateDelta(serverId, "query_stats_rows", deltaKey, totalRows, baselineOnly: true);
+                    var deltaSpills = _deltaCalculator.CalculateDelta(serverId, "query_stats_spills", deltaKey, totalSpills, baselineOnly: true);
 
                     /* Appender column order must match DuckDB table definition exactly */
                     var row = appender.CreateRow();