服務日期起始時間從 00:19 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3Locksbottom Pallant Way09:02—3Locksbottom Pallant Way09:02—3Goodmead Road09:19—3Goodmead Road09:19—3Sevenoaks Road Orpington War Memorial11:09—3Sevenoaks Road Orpington War Memorial11:09—3Goodmead Road11:19—3Goodmead Road11:19—3Locksbottom Pallant Way13:29—3Locksbottom Pallant Way13:29—3Goodmead Road13:49—3Goodmead Road13:49—S32Kemnal Technology College15:56—S34Knockholt Railway Station15:56—S32Kemnal Technology College15:56—S3Sevenoaks Road Orpington War Memorial15:56—S3Sevenoaks Road Orpington War Memorial15:56—TW6Roundabout16:23—403Rose and Crown16:32—403Rose and Crown16:32—T3Roundabout16:42—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。