Flow improvements

backend/tests/test_pprs_api.py

@@ -43,6 +43,34 @@ def test_authenticated_user_can_create_read_update_and_audit_ppr(auth_client, pp
     assert any("Status changed from NEW to LANDED" in entry for entry in entries)
 
 
+def test_ppr_departure_lifecycle_goes_landed_local_departed(auth_client, ppr_payload):
+    created = auth_client.post("/api/v1/pprs/", json=ppr_payload).json()
+
+    landed_response = auth_client.patch(
+        f"/api/v1/pprs/{created['id']}/status",
+        json={"status": "LANDED", "timestamp": "2026-06-20T10:30:00"},
+    )
+    local_response = auth_client.patch(
+        f"/api/v1/pprs/{created['id']}/status",
+        json={"status": "LOCAL", "timestamp": "2026-06-20T12:55:00"},
+    )
+    departed_response = auth_client.patch(
+        f"/api/v1/pprs/{created['id']}/status",
+        json={"status": "DEPARTED", "timestamp": "2026-06-20T13:05:00"},
+    )
+
+    assert landed_response.status_code == 200
+    assert local_response.status_code == 200
+    assert local_response.json()["status"] == "LOCAL"
+    assert local_response.json()["landed_dt"] == "2026-06-20T10:30:00"
+    assert local_response.json()["takeoff_dt"] == "2026-06-20T12:55:00"
+    assert local_response.json()["qsy_dt"] is None
+    assert departed_response.status_code == 200
+    assert departed_response.json()["status"] == "DEPARTED"
+    assert departed_response.json()["takeoff_dt"] == "2026-06-20T12:55:00"
+    assert departed_response.json()["qsy_dt"] == "2026-06-20T13:05:00"
+
+
 def test_ppr_list_supports_status_date_and_pagination_filters(auth_client, ppr_factory):
     ppr_factory(
         ac_reg="G-NEW1",