服务日期起始时间2026年9月7日 18:04 起预定出发时间显示 50班次到计划实际A4Heathrow, Central Bus Station18:05—A4Heathrow, Central Bus Station18:05—81Hounslow Bus Station18:06—81Hounslow Bus Station18:06—U3Compass Centre18:08—423Heathrow Airport, Terminal 518:11—7XHeathrow, Central Bus Station18:14—7XHeathrow, Central Bus Station18:14—A4Heathrow, Central Bus Station18:18—A4Heathrow, Central Bus Station18:18—81Hounslow Bus Station18:18—81Hounslow Bus Station18:18—U3Compass Centre18:19—U3Compass Centre18:30—81Hounslow Bus Station18:30—81Hounslow Bus Station18:30—423Heathrow Airport, Terminal 518:31—A4Heathrow, Central Bus Station18:34—A4Heathrow, Central Bus Station18:34—A4Heathrow, Central Bus Station18:36—A4Heathrow, Central Bus Station18:36—U3Compass Centre18:41—81Hounslow Bus Station18:42—81Hounslow Bus Station18:42—423Heathrow Airport, Terminal 518:51—U3Compass Centre18:53—81Hounslow Bus Station18:53—81Hounslow Bus Station18:53—A4Heathrow, Central Bus Station18:57—A4Heathrow, Central Bus Station18:57—81Hounslow Bus Station19:03—81Hounslow Bus Station19:03—A4Heathrow, Central Bus Station19:04—A4Heathrow, Central Bus Station19:04—U3Compass Centre19:05—423Heathrow Airport, Terminal 519:10—81Hounslow Bus Station19:14—81Hounslow Bus Station19:14—U3Compass Centre19:17—U3Compass Centre19:25—81Hounslow Bus Station19:25—81Hounslow Bus Station19:25—A4Heathrow, Central Bus Station19:26—A4Heathrow, Central Bus Station19:26—A4Heathrow, Central Bus Station19:26—A4Heathrow, Central Bus Station19:26—423Heathrow Airport, Terminal 519:30—U3Compass Centre19:36—81Hounslow Bus Station19:36—81Hounslow Bus Station19:36—51–100 →计划值和观察值分开保存。当缺乏特定站点的观察时，BustimeFinder 不会虚构实时出发。