C8b 20639
View line C8b
Alerts for train 20639
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line C8b.
The mini-map returns when the train runs
On-time · 30 days
62%
13/21 runs under 3 min
RT coverage: 21 full · 0 partial · 0 no data
On-time · 90 days
53%
21/40 runs under 3 min
RT coverage: 40 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: +1 min
P90
+16min
9 in 10 runs arrive with less than this
30 days: +7 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
- Thu 17 Sept Max en route +52 min · last fix heading to Madrid-Chamartín-Clara Campoamor +52 min
- Mon 13 Jul Max en route +43 min · last fix heading to Villalba de Guadarrama +36 min
- Tue 29 Sept Max en route +37 min · last fix heading to Cercedilla +33 min
- Tue 28 Jul Max en route +37 min · last fix heading to Cercedilla +32 min
- Wed 15 Jul Max en route +17 min · last fix heading to Cercedilla +14 min
Distribution · 90 days
40 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 53% · 21
- 3–10 min 30% · 12
- 10–30 min 8% · 3
- 30+ min 10% · 4
On-time by weekday
- 75% M n=8
- 13% T n=8
- 50% W n=8
- 75% T n=8
- 50% F n=8
- — S n=0
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 9 Oct | Cercedilla 21:19 | 0 min | +8 min |
| Thu 8 Oct | Cercedilla 21:22 | +1 min | +8 min |
| Wed 7 Oct | Cercedilla 21:19 | 0 min | +8 min |
| Tue 6 Oct | Cercedilla 21:27 | +7 min | +18 min |
| Mon 5 Oct | Cercedilla 21:23 | +3 min | +8 min |
| Fri 2 Oct | Cercedilla 21:21 | 0 min | +9 min |
| Thu 1 Oct | Cercedilla 21:20 | 0 min | +11 min |
| Wed 30 Sept | Cercedilla 21:22 | +4 min | +10 min |
| Tue 29 Sept | Cercedilla 21:52 | +33 min | +37 min |
| Mon 28 Sept | Cercedilla 21:19 | +1 min | +12 min |
| Fri 25 Sept | Cercedilla 21:19 | +1 min | +9 min |
| Thu 24 Sept | Cercedilla 21:19 | +1 min | +12 min |
| Wed 23 Sept | Cercedilla 21:23 | +4 min | +12 min |
| Tue 22 Sept | Cercedilla 21:18 | 0 min | +9 min |
| Mon 21 Sept | Cercedilla 21:18 | 0 min | +6 min |
| Fri 18 Sept | Cercedilla 21:24 | +4 min | +10 min |
| Thu 17 Sept | Madrid-Chamartín-Clara Campoamor 21:53 | +52 min | +52 min |
| Wed 16 Sept | Cercedilla 21:19 | 0 min | +8 min |
| Tue 15 Sept | Cercedilla 21:21 | +3 min | +13 min |
| Mon 14 Sept | Cercedilla 21:20 | +2 min | +7 min |
| Fri 11 Sept | Cercedilla 21:25 | +6 min | +10 min |
| Thu 10 Sept | Cercedilla 21:19 | +1 min | +13 min |
| Wed 9 Sept | Cercedilla 21:17 | 0 min | +6 min |
| Tue 8 Sept | Cercedilla 21:22 | +5 min | +11 min |
| Mon 7 Sept | Cercedilla 21:20 | 0 min | +9 min |
| Fri 31 Jul | Cercedilla 21:19 | +1 min | +6 min |
| Thu 30 Jul | Cercedilla 21:20 | +2 min | +10 min |
| Wed 29 Jul | Cercedilla 21:18 | 0 min | +7 min |
| Tue 28 Jul | Cercedilla 21:50 | +32 min | +37 min |
| Mon 27 Jul | Cercedilla 21:28 | +10 min | +14 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.