服務日期起始時間從 17:46 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323Harwood Hill17:51—402Welwyn Garden City Bus Station (Stop E)17:56—653New Greens, High Oaks Terminus18:07—301St Peter's Street18:13—402Welwyn Garden City Bus Station (Stop E)18:26—653UH de Havilland Campus (Q)18:37—301St Peter's Street18:43—402Welwyn Garden City Bus Station (Stop E)18:56—653UH de Havilland Campus (Q)19:06—301St Peter's Street19:16—402Welwyn Garden City Bus Station (Stop E)19:26—653UH de Havilland Campus (Q)19:35—402Welwyn Garden City Bus Station (Stop E)19:56—301St Peter's Street19:59—653New Greens, High Oaks Terminus20:06—402Welwyn Garden City Bus Station (Stop E)20:26—653UH de Havilland Campus (Q)20:36—301St Peter's Street20:59—653New Greens, High Oaks Terminus21:16—301St Peter's Street21:59—301St Peter's Street22:59—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。