GWR 801L20
Alerts for train 801L20
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line GWR.
Running now · updated 12:52
Running now −1 min
Today it is running no worse than usual: typical arrival delay is +9 min; 26% of the last 23 runs arrived on time.
Last 30 days
Delay at the end of each run, in minutes. One bar per run.
- On time (<3 min)
- 3–10 min
- 10–30 min
- 30+ min
- Partial coverage
- No data
Worst days
- Mon 3 Aug Max en route +99 min · last fix heading to 76089 +99 min
- Wed 5 Aug Max en route +74 min · last fix heading to 74233 +74 min
- Mon 12 Oct Max en route +48 min · last fix heading to Slough +39 min
- Sat 12 Sept Max en route +37 min · last fix heading to 73251 +36 min
- Mon 17 Aug Max en route +39 min · last fix heading to 73251 +36 min
Distribution · 90 days
72 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 1% · 1
- On time 31% · 22
- 3–10 min 22% · 16
- 10–30 min 38% · 27
- 30+ min 8% · 6
On-time by weekday
- 17% M n=12
- 46% T n=13
- 50% W n=12
- 31% T n=13
- 23% F n=13
- 22% S n=9
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Tue 27 Oct | Llanelli 12:50 | 0 min | +3 min |
| Sat 24 Oct | Slough 15:33 | +12 min | +12 min |
| Fri 23 Oct | Maidenhead 15:28 | +8 min | +8 min |
| Thu 22 Oct | Slough 15:33 | +13 min | +13 min |
| Wed 21 Oct | Maidenhead 15:31 | +11 min | +11 min |
| Tue 20 Oct | Slough 15:34 | +13 min | +13 min |
| Mon 19 Oct | Maidenhead 15:29 | +9 min | +9 min |
| Fri 16 Oct | Slough 15:32 | +12 min | +12 min |
| Thu 15 Oct | Slough 15:30 | +9 min | +9 min |
| Wed 14 Oct | Maidenhead 15:20 | −1 min | +3 min |
| Tue 13 Oct | Maidenhead 15:19 | −1 min | +1 min |
| Mon 12 Oct | Slough 20:04 | +39 min | +48 min |
| Fri 9 Oct | Maidenhead 15:26 | +6 min | +7 min |
| Thu 8 Oct | Slough 15:34 | +14 min | +14 min |
| Wed 7 Oct | Maidenhead 15:20 | 0 min | +3 min |
| Tue 6 Oct | Slough 15:52 | +32 min | +34 min |
| Mon 5 Oct | Slough 15:23 | +12 min | +12 min |
| Sat 3 Oct | 73251 15:28 | +7 min | +11 min |
| Fri 2 Oct | 73251 15:19 | −1 min | +3 min |
| Thu 1 Oct | 73251 15:24 | +3 min | +5 min |
| Wed 30 Sept | 76398 15:33 | +5 min | +5 min |
| Tue 29 Sept | 73251 15:22 | +2 min | +4 min |
| Mon 28 Sept | 73251 15:44 | +23 min | +24 min |
| Fri 25 Sept | 73251 15:25 | +5 min | +5 min |
| Thu 24 Sept | 73251 15:31 | +11 min | +11 min |
| Wed 23 Sept | 81107 14:18 | +5 min | +5 min |
| Tue 22 Sept | 73251 15:20 | 0 min | +2 min |
| Mon 21 Sept | 73251 15:27 | +7 min | +10 min |
| Fri 18 Sept | 73251 15:32 | +12 min | +12 min |
| Thu 17 Sept | 73251 15:19 | −1 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.