服務日期起始時間從 01:06 出發於 2026年9月7日預定出發顯示 21公車行程至預定觀察到550Iona Street08:21—550Iona Street08:51—550Iona Street09:21—550Iona Street09:51—550Iona Street10:21—550Iona Street10:51—550Iona Street11:21—550Iona Street11:51—550Iona Street12:21—550Iona Street12:51—550Iona Street13:21—550Iona Street13:51—550Iona Street14:21—550Iona Street14:51—550Iona Street15:21—550Iona Street15:51—550Iona Street16:21—550Iona Street16:51—550Iona Street17:21—550Greenock17:51—550Greenock18:21—預定和觀察到的數值分開保存。當缺少特定站點的即時觀察時，BustimeFinder 不會捏造即時出發。