服务日期起始时间2026年9月7日 17:57 起预定出发时间显示 13班次到计划实际441Staines, Elmsleigh Bus Station18:00—8Heathrow, Terminal 518:20—8Heathrow, Terminal 518:20—441Staines, Elmsleigh Bus Station18:30—8Heathrow, Terminal 518:49—8Heathrow, Terminal 518:49—8Heathrow, Terminal 518:53—8Heathrow, Terminal 518:53—8Heathrow, Terminal 519:16—8Heathrow, Terminal 519:16—441Staines, Elmsleigh Bus Station19:20—8Heathrow, Terminal 519:47—8Heathrow, Terminal 519:47—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。