服務日期起始時間從 03:25 出發於 2026年9月8日預定出發顯示 50公車行程至預定觀察到423Heathrow Airport, Terminal 504:09—423Heathrow Airport, Terminal 504:39—423Heathrow Airport, Terminal 505:10—81Hounslow Bus Station05:13—81Hounslow Bus Station05:13—81Hounslow Bus Station05:33—81Hounslow Bus Station05:33—423Heathrow Airport, Terminal 505:40—81Hounslow Bus Station05:53—81Hounslow Bus Station05:53—423Heathrow Airport, Terminal 506:05—81Hounslow Bus Station06:14—81Hounslow Bus Station06:14—423Heathrow Airport, Terminal 506:25—81Hounslow Bus Station06:29—81Hounslow Bus Station06:29—81Hounslow Bus Station06:45—81Hounslow Bus Station06:45—423Heathrow Airport, Terminal 506:45—81Hounslow Bus Station06:57—81Hounslow Bus Station06:57—423Heathrow Airport, Terminal 507:05—81Hounslow Bus Station07:08—81Hounslow Bus Station07:08—81Hounslow Bus Station07:20—81Hounslow Bus Station07:20—423Heathrow Airport, Terminal 507:25—81Hounslow Bus Station07:32—81Hounslow Bus Station07:32—81Hounslow Bus Station07:44—81Hounslow Bus Station07:44—423Heathrow Airport, Terminal 507:45—81Hounslow Bus Station07:56—81Hounslow Bus Station07:56—423Heathrow Airport, Terminal 508:05—81Hounslow Bus Station08:08—81Hounslow Bus Station08:08—81Hounslow Bus Station08:20—81Hounslow Bus Station08:20—423Heathrow Airport, Terminal 508:25—81Hounslow Bus Station08:32—81Hounslow Bus Station08:32—81Hounslow Bus Station08:45—81Hounslow Bus Station08:45—423Heathrow Airport, Terminal 508:45—81Hounslow Bus Station08:57—81Hounslow Bus Station08:57—423Heathrow Airport, Terminal 509:05—81Hounslow Bus Station09:07—81Hounslow Bus Station09:07—51–100 →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。