Govia Thameslink Railway 899Y78
View line Govia Thameslink Railway
Alerts for train 899Y78
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
82%
18/22 runs under 3 min
RT coverage: 22 full · 0 partial · 0 no data
On-time · 90 days
87%
55/63 runs under 3 min
RT coverage: 63 full · 0 partial · 0 no data
Typical delay
−1min
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
- Fri 14 Aug Max en route +17 min · last fix heading to Welwyn Garden City +15 min
- Wed 16 Sept Max en route +11 min · last fix heading to Welwyn Garden City +10 min
- Thu 27 Aug Max en route +15 min · last fix heading to Welwyn Garden City +9 min
- Tue 6 Oct Max en route +10 min · last fix heading to Welwyn Garden City +7 min
- Wed 5 Aug Max en route +7 min · last fix heading to Welwyn Garden City +7 min
Distribution · 90 days
63 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 10% · 6
- On time 78% · 49
- 3–10 min 10% · 6
- 10–30 min 3% · 2
- 30+ min 0% · 0
On-time by weekday
- 83% M n=12
- 85% T n=13
- 83% W n=12
- 92% T n=13
- 92% F n=13
- — S n=0
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Tue 13 Oct | Welwyn Garden City 08:28 | −1 min | +5 min |
| Mon 12 Oct | Welwyn Garden City 08:32 | +4 min | +12 min |
| Fri 9 Oct | Welwyn Garden City 08:27 | −1 min | +3 min |
| Thu 8 Oct | Welwyn Garden City 08:28 | 0 min | +3 min |
| Wed 7 Oct | Welwyn Garden City 08:27 | −1 min | +3 min |
| Tue 6 Oct | Welwyn Garden City 08:35 | +7 min | +10 min |
| Mon 5 Oct | Welwyn Garden City 08:27 | −1 min | +6 min |
| Fri 2 Oct | Welwyn Garden City 08:28 | 0 min | +3 min |
| Thu 1 Oct | Welwyn Garden City 08:30 | +2 min | +3 min |
| Wed 30 Sept | Welwyn Garden City 08:28 | 0 min | +5 min |
| Tue 29 Sept | Welwyn Garden City 08:28 | 0 min | +3 min |
| Mon 28 Sept | Welwyn Garden City 08:27 | −1 min | +8 min |
| Fri 25 Sept | Welwyn Garden City 08:28 | 0 min | +7 min |
| Thu 24 Sept | Welwyn Garden City 08:29 | 0 min | +3 min |
| Wed 23 Sept | Welwyn Garden City 08:27 | −1 min | +3 min |
| Tue 22 Sept | Welwyn Garden City 08:30 | +2 min | +2 min |
| Mon 21 Sept | Welwyn Garden City 08:27 | −2 min | +7 min |
| Fri 18 Sept | Welwyn Garden City 08:27 | −1 min | +4 min |
| Thu 17 Sept | Welwyn Garden City 08:27 | −1 min | +3 min |
| Wed 16 Sept | Welwyn Garden City 08:37 | +10 min | +11 min |
| Tue 15 Sept | Welwyn Garden City 08:27 | −1 min | +6 min |
| Mon 14 Sept | Welwyn Garden City 08:32 | +4 min | +7 min |
| Fri 11 Sept | Welwyn Garden City 08:28 | −1 min | +7 min |
| Thu 10 Sept | Welwyn Garden City 08:28 | 0 min | +3 min |
| Wed 9 Sept | Welwyn Garden City 08:27 | −1 min | +4 min |
| Tue 8 Sept | Welwyn Garden City 08:27 | −2 min | +6 min |
| Mon 7 Sept | Welwyn Garden City 08:28 | 0 min | +3 min |
| Fri 4 Sept | Welwyn Garden City 08:27 | −1 min | +9 min |
| Thu 3 Sept | Welwyn Garden City 08:27 | −1 min | +3 min |
| Wed 2 Sept | Welwyn Garden City 08:27 | −2 min | +3 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.