Govia Thameslink Railway 639O23
View line Govia Thameslink Railway
Alerts for train 639O23
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line Govia Thameslink Railway.
The mini-map returns when the train runs
On-time · 30 days
77%
20/26 runs under 3 min
RT coverage: 26 full · 0 partial · 0 no data
On-time · 90 days
81%
61/75 runs under 3 min
RT coverage: 75 full · 0 partial · 0 no data
Typical delay
0min
Median at arrival, 90 days
30 days: 0 min
P90
+4min
9 in 10 runs arrive with less than this
30 days: +4 min
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
- Wed 26 Aug Max en route +35 min · last fix heading to Loughborough Junction +35 min
- Thu 13 Aug Max en route +25 min · last fix heading to 87617 +23 min
- Tue 25 Aug Max en route +18 min · last fix heading to Sutton (London) +17 min
- Thu 30 Jul Max en route +20 min · last fix heading to Sutton (London) +14 min
- Mon 10 Aug Max en route +15 min · last fix heading to Sutton (London) +11 min
Distribution · 90 days
75 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 17% · 13
- On time 64% · 48
- 3–10 min 12% · 9
- 10–30 min 5% · 4
- 30+ min 1% · 1
On-time by weekday
- 69% M n=13
- 85% T n=13
- 92% W n=12
- 62% T n=13
- 83% F n=12
- 100% S n=12
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Tue 27 Oct | Sutton (London) 09:25 | −1 min | +8 min |
| Mon 26 Oct | Sutton (London) 09:30 | +4 min | +7 min |
| Sat 24 Oct | Sutton (London) 09:25 | −1 min | — |
| Fri 23 Oct | Carshalton 09:27 | +1 min | +3 min |
| Thu 22 Oct | Sutton (London) 09:26 | 0 min | +3 min |
| Wed 21 Oct | Sutton (London) 09:25 | −1 min | +4 min |
| Tue 20 Oct | Sutton (London) 09:26 | 0 min | +3 min |
| Mon 19 Oct | Sutton (London) 09:30 | +4 min | +7 min |
| Sat 17 Oct | Sutton (London) 09:26 | 0 min | +6 min |
| Fri 16 Oct | Sutton (London) 09:26 | 0 min | +4 min |
| Thu 15 Oct | Sutton (London) 09:25 | −1 min | +7 min |
| Wed 14 Oct | Sutton (London) 09:26 | 0 min | +2 min |
| Tue 13 Oct | Hackbridge 09:28 | +3 min | +12 min |
| Mon 12 Oct | Sutton (London) 09:24 | −2 min | +2 min |
| Sat 10 Oct | Sutton (London) 09:25 | −1 min | +1 min |
| Fri 9 Oct | Sutton (London) 09:30 | +5 min | +5 min |
| Thu 8 Oct | Carshalton 09:28 | +3 min | +7 min |
| Wed 7 Oct | Sutton (London) 09:27 | +1 min | +15 min |
| Tue 6 Oct | Sutton (London) 09:25 | −1 min | +1 min |
| Mon 5 Oct | Sutton (London) 09:30 | +4 min | +6 min |
| Sat 3 Oct | Sutton (London) 09:26 | 0 min | +2 min |
| Fri 2 Oct | Sutton (London) 09:24 | −2 min | +5 min |
| Thu 1 Oct | Sutton (London) 09:26 | +1 min | +2 min |
| Wed 30 Sept | Sutton (London) 09:24 | −2 min | +4 min |
| Tue 29 Sept | Sutton (London) 09:25 | −1 min | +6 min |
| Mon 28 Sept | Sutton (London) 09:24 | −2 min | +2 min |
| Sat 26 Sept | Sutton (London) 09:27 | +1 min | +4 min |
| Fri 25 Sept | Sutton (London) 09:26 | +1 min | +2 min |
| Thu 24 Sept | Sutton (London) 09:27 | +1 min | +4 min |
| Wed 23 Sept | Sutton (London) 09:27 | +1 min | +7 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.