Chiltern Railways 631T37
View line Chiltern Railways
Alerts for train 631T37
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.
โ Todayโs run finished
Today, last fix heading to Oxford Parkway at 15:35 โ1 min
The mini-map returns when the train runs
On-time ยท 30 days
97%
28/29 runs under 3 min
RT coverage: 29 full ยท 0 partial ยท 0 no data
On-time ยท 90 days
95%
83/87 runs under 3 min
RT coverage: 87 full ยท 0 partial ยท 0 no data
Typical delay
โ1min
Median at arrival, 90 days
30 days: โ1 min
P90
0min
9 in 10 runs arrive with less than this
30 days: 0 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 1 Aug Max en route +31 min ยท last fix heading to Oxford Parkway +29 min
- Thu 13 Aug Max en route +30 min ยท last fix heading to 74425 +27 min
- Wed 23 Sept Max en route +7 min ยท last fix heading to 74425 +4 min
- Sun 26 Jul Max en route +4 min ยท last fix heading to 74425 +4 min
Distribution ยท 90 days
87 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 8% ยท 7
- On time 87% ยท 76
- 3โ10 min 2% ยท 2
- 10โ30 min 2% ยท 2
- 30+ min 0% ยท 0
On-time by weekday
- 100% M n=13
- 100% T n=12
- 92% W n=13
- 92% T n=13
- 100% F n=12
- 92% S n=12
- 92% S n=12
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Mon 12 Oct | Oxford Parkway 15:35 | โ1 min | โ |
| Sun 11 Oct | Oxford Parkway 15:47 | โ1 min | โ |
| Sat 10 Oct | Oxford Parkway 15:43 | 0 min | +1 min |
| Fri 9 Oct | Oxford Parkway 15:35 | โ1 min | +1 min |
| Thu 8 Oct | Oxford Parkway 15:35 | โ1 min | โ |
| Wed 7 Oct | Oxford Parkway 15:35 | โ2 min | +1 min |
| Tue 6 Oct | Oxford Parkway 15:35 | โ1 min | +1 min |
| Mon 5 Oct | Oxford Parkway 15:23 | 0 min | +1 min |
| Sun 4 Oct | 74425 15:46 | โ1 min | +1 min |
| Sat 3 Oct | 74425 15:42 | โ1 min | +1 min |
| Fri 2 Oct | 74425 15:35 | โ1 min | +1 min |
| Thu 1 Oct | 74425 15:35 | โ1 min | +1 min |
| Wed 30 Sept | 74425 15:37 | +1 min | +1 min |
| Tue 29 Sept | 74425 15:35 | โ1 min | +1 min |
| Mon 28 Sept | 74425 15:35 | โ1 min | +1 min |
| Sun 27 Sept | 74425 15:46 | โ1 min | +1 min |
| Sat 26 Sept | 74425 15:42 | โ1 min | โ |
| Fri 25 Sept | 74425 15:35 | โ2 min | +1 min |
| Thu 24 Sept | 74425 15:35 | โ1 min | +1 min |
| Wed 23 Sept | 74425 15:40 | +4 min | +7 min |
| Tue 22 Sept | 74425 15:35 | โ1 min | +2 min |
| Mon 21 Sept | 74425 15:35 | โ1 min | +1 min |
| Sun 20 Sept | 74425 15:46 | โ1 min | +1 min |
| Sat 19 Sept | 74425 15:42 | โ1 min | +4 min |
| Fri 18 Sept | 74425 15:35 | โ1 min | +1 min |
| Thu 17 Sept | 74425 15:35 | โ1 min | โ |
| Wed 16 Sept | 74425 15:36 | 0 min | +1 min |
| Tue 15 Sept | 74425 15:34 | โ1 min | +1 min |
| Mon 14 Sept | 74425 15:36 | 0 min | +3 min |
| Fri 11 Sept | 74425 15:36 | โ1 min | +1 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.