Chiltern Railways 631T71
View line Chiltern Railways
Alerts for train 631T71
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
86%
18/21 runs under 3 min
RT coverage: 21 full ยท 0 partial ยท 0 no data
On-time ยท 90 days
74%
43/58 runs under 3 min
RT coverage: 58 full ยท 0 partial ยท 0 no data
Typical delay
0min
Median at arrival, 90 days
30 days: 0 min
P90
+6min
9 in 10 runs arrive with less than this
30 days: +3 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
- Thu 30 Jul Max en route +24 min ยท last fix heading to 74425 +23 min
- Fri 14 Aug Max en route +18 min ยท last fix heading to 74425 +14 min
- Fri 31 Jul Max en route +13 min ยท last fix heading to 74425 +12 min
- Mon 14 Sept Max en route +16 min ยท last fix heading to 74425 +11 min
- Thu 3 Sept Max en route +9 min ยท last fix heading to 74425 +8 min
Distribution ยท 90 days
58 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 3% ยท 2
- On time 71% ยท 41
- 3โ10 min 19% ยท 11
- 10โ30 min 7% ยท 4
- 30+ min 0% ยท 0
On-time by weekday
- 80% M n=10
- 91% T n=11
- 73% W n=11
- 58% T n=12
- 69% F n=13
- 100% S n=1
- โ S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 23 Oct | Oxford Parkway 00:12 | 0 min | +1 min |
| Thu 22 Oct | Oxford Parkway 00:18 | +5 min | +7 min |
| Wed 21 Oct | Oxford Parkway 00:15 | +2 min | +2 min |
| Tue 20 Oct | Oxford Parkway 00:12 | โ1 min | +1 min |
| Mon 19 Oct | Oxford Parkway 00:13 | 0 min | โ |
| Fri 16 Oct | Oxford Parkway 00:14 | +2 min | +2 min |
| Thu 15 Oct | Oxford Parkway 00:13 | +1 min | +1 min |
| Wed 14 Oct | Oxford Parkway 00:17 | +4 min | +4 min |
| Tue 13 Oct | Oxford Parkway 00:12 | โ1 min | +4 min |
| Mon 12 Oct | Oxford Parkway 00:12 | โ1 min | โ |
| Fri 9 Oct | Oxford Parkway 00:12 | 0 min | โ |
| Thu 8 Oct | Oxford Parkway 00:12 | โ1 min | +4 min |
| Wed 7 Oct | Oxford Parkway 00:12 | โ1 min | +1 min |
| Tue 6 Oct | Oxford Parkway 00:17 | โ3 min | โ |
| Mon 5 Oct | Oxford Parkway 00:12 | โ1 min | +1 min |
| Fri 2 Oct | 74425 00:11 | 0 min | โ |
| Thu 1 Oct | 74425 00:12 | โ1 min | +1 min |
| Wed 30 Sept | 74425 00:16 | +3 min | +3 min |
| Tue 29 Sept | 74425 00:12 | โ1 min | โ |
| Mon 28 Sept | 74425 00:13 | 0 min | +1 min |
| Sat 26 Sept | 74425 00:12 | 0 min | +3 min |
| Fri 25 Sept | 74425 00:11 | โ1 min | +1 min |
| Thu 24 Sept | 74425 00:12 | โ1 min | +1 min |
| Fri 18 Sept | 74425 00:19 | +7 min | +7 min |
| Thu 17 Sept | 74425 00:12 | โ1 min | +1 min |
| Wed 16 Sept | 74425 00:13 | โ1 min | โ |
| Tue 15 Sept | 74425 00:12 | โ1 min | โ |
| Mon 14 Sept | 74425 00:24 | +11 min | +16 min |
| Fri 11 Sept | 74425 00:12 | 0 min | โ |
| Thu 10 Sept | 74425 00:12 | โ1 min | +2 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.