Fix #9665: [Linkgraph] Fix travel times of non-direct journeys

src/saveload/afterload.cpp

@@ -3148,6 +3148,13 @@ bool AfterLoadGame()
 		}
 	}
 
+	/* Use current order time to approximate last loading time */
+	if (IsSavegameVersionBefore(SLV_LAST_LOADING_TICK)) {
+		for (Vehicle *v : Vehicle::Iterate()) {
+			v->last_loading_tick = std::max(_tick_counter, static_cast<uint64>(v->current_order_time)) - v->current_order_time;
+		}
+	}
+
 	/* Compute station catchment areas. This is needed here in case UpdateStationAcceptance is called below. */
 	Station::RecomputeCatchmentForAll();