Elizabeth line 509Y31
Alerts for train 509Y31
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line Elizabeth line.
Running now · updated 15:52
Running now +1 min
Today it is running worse than usual: typical arrival delay is 0 min; 97% of the last 30 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
- Fri 14 Aug Max en route +22 min · last fix heading to 73003 +22 min
- Sun 1 Nov Max en route +17 min · last fix heading to Bond Street +17 min
- Sun 6 Sept Max en route +14 min · last fix heading to Romford +14 min
- Mon 17 Aug Max en route +6 min · last fix heading to 73003 +6 min
- Sun 4 Oct Max en route +7 min · last fix heading to 73003 +5 min
Distribution · 90 days
90 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 93% · 84
- 3–10 min 3% · 3
- 10–30 min 3% · 3
- 30+ min 0% · 0
On-time by weekday
- 92% M n=13
- 100% T n=13
- 100% W n=13
- 92% T n=13
- 92% F n=13
- 100% S n=13
- 75% S n=12
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Sat 7 Nov | Harold Wood 15:49 | 0 min | +1 min |
| Fri 6 Nov | Stratford (London) 15:04 | 0 min | +6 min |
| Thu 5 Nov | Maryland 15:04 | 0 min | +3 min |
| Wed 4 Nov | Maryland 15:04 | 0 min | +4 min |
| Tue 3 Nov | Maryland 15:04 | 0 min | +2 min |
| Mon 2 Nov | Stratford (London) 15:04 | 0 min | +1 min |
| Sun 1 Nov | Bond Street 18:44 | +17 min | +17 min |
| Sat 31 Oct | Maryland 16:45 | 0 min | +2 min |
| Fri 30 Oct | Stratford (London) 15:04 | 0 min | +2 min |
| Thu 29 Oct | Stratford (London) 15:04 | 0 min | +1 min |
| Wed 28 Oct | Stratford (London) 15:04 | 0 min | +1 min |
| Tue 27 Oct | Stratford (London) 15:04 | 0 min | +25 min |
| Mon 26 Oct | Maryland 15:04 | +1 min | +18 min |
| Sun 25 Oct | Bond Street 18:27 | 0 min | +1 min |
| Sat 24 Oct | Maryland 16:45 | 0 min | +1 min |
| Fri 23 Oct | Bond Street 15:06 | +2 min | +6 min |
| Thu 22 Oct | Maryland 15:04 | 0 min | +1 min |
| Wed 21 Oct | Stratford (London) 15:04 | 0 min | +1 min |
| Tue 20 Oct | Maryland 15:04 | 0 min | +8 min |
| Mon 19 Oct | Bond Street 15:06 | +2 min | +6 min |
| Sun 18 Oct | Bond Street 18:27 | 0 min | +3 min |
| Sat 17 Oct | Bond Street 16:46 | +2 min | +5 min |
| Fri 16 Oct | Bond Street 15:05 | +1 min | +3 min |
| Thu 15 Oct | Maryland 15:04 | 0 min | +1 min |
| Wed 14 Oct | Stratford (London) 15:04 | 0 min | +1 min |
| Tue 13 Oct | Bond Street 15:05 | +2 min | +4 min |
| Mon 12 Oct | Manor Park 15:05 | +1 min | +4 min |
| Sun 11 Oct | Bond Street 18:27 | 0 min | — |
| Sat 10 Oct | Manor Park 16:45 | 0 min | +3 min |
| Fri 9 Oct | Stratford (London) 15:04 | 0 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.