diff --git a/navi/api/routes/sessions.py b/navi/api/routes/sessions.py
index 9b9dff6..84c9f0e 100644
--- a/navi/api/routes/sessions.py
+++ b/navi/api/routes/sessions.py
@@ -594,6 +594,9 @@
     store: Annotated[SessionStore, Depends(get_session_store)],
     user: Annotated[User, Depends(require_user)],
 ) -> None:
+    import time as _time
+
+    _t0 = _time.perf_counter()
     session = await store.get(session_id)
     if session is None:
         raise HTTPException(status_code=404, detail="Session not found")
@@ -610,16 +613,29 @@
     # store (suppress_note = True, set inside cancel_session_jobs).
     from navi.core.tasks import get_task_manager
     from navi.core.task_notes import clear as clear_task_notes
+    _t_get = _time.perf_counter()
     get_task_manager().cancel_session_jobs(session_id)
     # Pending notes from earlier completed jobs would never drain — the
     # session is going away.
     await clear_task_notes(session_id)
+    _t_tasks = _time.perf_counter()
 
     deleted = await store.delete(session_id)
+    _t_db = _time.perf_counter()
     if not deleted:
         raise HTTPException(status_code=404, detail="Session not found")
     # Remove session file directory if it exists
     await delete_session_dir(session_id)
+    _t_dir = _time.perf_counter()
+    log.info(
+        "sessions.delete_timing",
+        session_id=session_id,
+        lookup_terminals_ms=round((_t_get - _t0) * 1000, 1),
+        tasks_notes_ms=round((_t_tasks - _t_get) * 1000, 1),
+        db_delete_ms=round((_t_db - _t_tasks) * 1000, 1),
+        files_dir_ms=round((_t_dir - _t_db) * 1000, 1),
+        total_ms=round((_t_dir - _t0) * 1000, 1),
+    )
 
 
 @router.get("/{session_id}/messages/archive")