服務日期起始時間從 16:35 出發於 2026年9月8日預定出發顯示 21公車行程至預定觀察到1BHemel Hempstead, Marlowes16:38—1AChesham, Townsend Road16:58—31Beaconsfield Old Town, Aylesbury End17:07—1Hemel Hempstead, Marlowes17:13—1AChesham, Townsend Road17:29—41Amersham, Amersham Station17:31—31Beaconsfield Old Town, Aylesbury End17:37—1BHemel Hempstead, Marlowes17:44—1AChesham, Townsend Road17:59—31Beaconsfield Old Town, Aylesbury End18:07—1Hemel Hempstead, Marlowes18:12—31Beaconsfield Old Town, Aylesbury End18:36—1BChesham, Townsend Road18:42—41Great Missenden, Railway Station18:51—1Hemel Hempstead, Marlowes19:12—31Penn, The Pond19:36—1AChesham, Townsend Road19:41—31Penn, The Pond20:36—1AChesham, Townsend Road20:41—1AChesham, Townsend Road21:41—1AChesham, Townsend Road22:41—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。