Chiltern Railways 631T73
View line Chiltern Railways
Alerts for train 631T73
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line Chiltern Railways.
The mini-map returns when the train runs
On-time ยท 30 days
93%
27/29 runs under 3 min
RT coverage: 29 full ยท 0 partial ยท 0 no data
On-time ยท 90 days
86%
70/81 runs under 3 min
RT coverage: 81 full ยท 0 partial ยท 0 no data
Typical delay
โ1min
Median at arrival, 90 days
30 days: โ4 min
P90
+4min
9 in 10 runs arrive with less than this
30 days: +2 min
Last 30 days
Delay at the end of each run, in minutes. One bar per run.
- On time (<3 min)
- 3โ10 min
- 10โ30 min
- 30+ min
- Partial coverage
- No data
Worst days
- Sat 12 Sept Max en route +50 min ยท last fix heading to 69440 +50 min
- Fri 11 Sept Max en route +41 min ยท last fix heading to Oxford Parkway +40 min
- Thu 6 Aug Max en route +22 min ยท last fix heading to Gerrards Cross +22 min
- Sat 24 Oct Max en route +23 min ยท last fix heading to Oxford Parkway +16 min
- Fri 23 Oct Max en route +19 min ยท last fix heading to Oxford Parkway +14 min
Distribution ยท 90 days
81 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 41% ยท 33
- On time 46% ยท 37
- 3โ10 min 7% ยท 6
- 10โ30 min 4% ยท 3
- 30+ min 2% ยท 2
On-time by weekday
- 91% M n=11
- 100% T n=11
- 91% W n=11
- 83% T n=12
- 77% F n=13
- 75% S n=12
- 91% S n=11
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 30 Oct | Oxford Parkway 01:11 | โ5 min | +3 min |
| Thu 29 Oct | Oxford Parkway 01:12 | โ4 min | +1 min |
| Wed 28 Oct | Oxford Parkway 01:11 | โ5 min | +1 min |
| Tue 27 Oct | Oxford Parkway 01:11 | โ5 min | +1 min |
| Mon 26 Oct | Oxford Parkway 01:17 | +1 min | +1 min |
| Sun 25 Oct | Oxford Parkway 00:34 | 0 min | +1 min |
| Sat 24 Oct | Oxford Parkway 00:51 | +16 min | +23 min |
| Fri 23 Oct | Oxford Parkway 01:30 | +14 min | +19 min |
| Thu 22 Oct | Oxford Parkway 01:11 | โ5 min | โ |
| Wed 21 Oct | Oxford Parkway 01:11 | โ5 min | โ |
| Tue 20 Oct | Oxford Parkway 01:13 | โ3 min | โ |
| Mon 19 Oct | Oxford Parkway 01:12 | โ4 min | +1 min |
| Sun 18 Oct | Oxford Parkway 00:34 | 0 min | โ |
| Sat 17 Oct | Oxford Parkway 00:35 | 0 min | โ |
| Fri 16 Oct | Oxford Parkway 01:10 | โ5 min | โ |
| Thu 15 Oct | Oxford Parkway 01:09 | โ7 min | โ |
| Wed 14 Oct | Oxford Parkway 01:11 | โ5 min | โ |
| Tue 13 Oct | Oxford Parkway 01:10 | โ6 min | +3 min |
| Mon 12 Oct | Oxford Parkway 01:14 | โ2 min | +5 min |
| Sun 11 Oct | Oxford Parkway 00:36 | +2 min | +3 min |
| Sat 10 Oct | Oxford Parkway 00:36 | 0 min | +1 min |
| Fri 9 Oct | Oxford Parkway 01:18 | +2 min | +2 min |
| Thu 8 Oct | Oxford Parkway 01:09 | โ7 min | +1 min |
| Wed 7 Oct | Oxford Parkway 01:11 | โ5 min | +2 min |
| Tue 6 Oct | Oxford Parkway 01:10 | โ6 min | +3 min |
| Mon 5 Oct | Oxford Parkway 01:10 | โ6 min | +2 min |
| Sun 4 Oct | 74425 00:35 | +1 min | +3 min |
| Sat 3 Oct | 69440 01:10 | โ6 min | โ |
| Fri 2 Oct | 69440 00:59 | โ2 min | +1 min |
| Thu 1 Oct | 74449 00:59 | โ1 min | +3 min |
Each run is closed into train_runs (country, train number, service day) from the live positions. Final delay = last delay seen. Partial coverage: the feed stopped before the final stop (last value used, hatched in the chart). No data: a run without any valid delay; counts as neither on time nor late. Data collected since 11 July 2026.