C4a 20278 Alcobendas-San Sebastián de los Reyes – Parla
Alerts for train 20278
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line C4a.
Running now · updated 14:38
Between Universidad-Cantoblanco and Fuencarral +7 min
Estimated arrival at Parla 15:27 15:20 · 18 km/h
- Alcobendas-San Sebastián de los Reyes14:18
- Universidad Pontificia de Comillas14:22
- Universidad-Cantoblanco14:25
- Fuencarral14:31
- Madrid-Chamartín-Clara Campoamor14:36
- Sol14:46
- Parla15:20
Today it is running no worse than usual: typical arrival delay is +8 min; 14% of the last 21 runs arrived on time.
Last 30 days
Arrival delay at Parla, in minutes. One bar per run.
- On time (<3 min)
- 3–10 min
- 10–30 min
- 30+ min
- Partial coverage
- No data
Worst days
- Tue 22 Sept Max en route +32 min · last fix heading to Parla +28 min
- Wed 9 Sept Max en route +32 min · last fix heading to Parla +27 min
- Thu 8 Oct Max en route +27 min · last fix heading to Madrid-Villaverde Bajo +26 min
- Fri 18 Sept Max en route +24 min · last fix heading to Parla +20 min
- Tue 18 Aug Max en route +29 min · last fix heading to Parla +17 min
Distribution · 90 days
63 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 14% · 9
- 3–10 min 49% · 31
- 10–30 min 37% · 23
- 30+ min 0% · 0
On-time by weekday
- 17% M n=12
- 8% T n=13
- 15% W n=13
- 17% T n=12
- 15% F n=13
- — S n=0
- — S n=0
Stops and timetable
Timetable of the latest run from the operator’s GTFS (15 stops).
| Stop | Sched. | Today |
|---|---|---|
| 14:18 | Passed | |
| 14:19 | Passed | |
| 14:22 | Passed | |
| 14:25 | Passed | |
| 14:31 | ||
| 14:36 / 14:38 | ||
| 14:42 | ||
| 14:46 | ||
| 14:51 / 14:53 | ||
| 15:00 | ||
| 15:04 | ||
| 15:07 | ||
| 15:10 | ||
| 15:13 | ||
| 15:20 |
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.
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Wed 28 Oct | Fuencarral 14:34Partial coverage | +4 min | +6 min |
| Tue 27 Oct | Parla 15:34 | +16 min | +18 min |
| Mon 26 Oct | Parla 15:28 | +9 min | +11 min |
| Fri 23 Oct | Parla 15:26 | +6 min | +7 min |
| Thu 22 Oct | Parla 15:25 | +6 min | +7 min |
| Wed 21 Oct | Parla 15:29 | +11 min | +11 min |
| Tue 20 Oct | Parla 15:24 | +6 min | +6 min |
| Mon 19 Oct | Parla 15:30 | +11 min | +11 min |
| Fri 16 Oct | Parla 15:23 | +5 min | +6 min |
| Thu 15 Oct | Parla 15:51 | +16 min | +16 min |
| Wed 14 Oct | Parla 15:26 | +8 min | +11 min |
| Tue 13 Oct | Parla 15:36 | +15 min | +17 min |
| Fri 9 Oct | Getafe-Sector 3 15:42 | +15 min | +21 min |
| Thu 8 Oct | Madrid-Villaverde Bajo 15:37 | +26 min | +27 min |
| Wed 7 Oct | Parla 15:25 | +6 min | +6 min |
| Tue 6 Oct | Parla 15:23 | +5 min | +6 min |
| Mon 5 Oct | Getafe-Sector 3 15:36 | +11 min | +17 min |
| Fri 2 Oct | Parla 15:25 | 0 min | +13 min |
| Thu 1 Oct | Parla 15:55 | +11 min | +19 min |
| Wed 30 Sept | Parla 15:18 | +1 min | +9 min |
| Tue 29 Sept | Parla 15:21 | +1 min | +9 min |
| Mon 28 Sept | Parla 15:24 | +4 min | +9 min |
| Fri 25 Sept | Parla 15:27 | +7 min | +11 min |
| Thu 24 Sept | Parla 15:23 | +2 min | +9 min |
| Wed 23 Sept | Parla 15:27 | +7 min | +12 min |
| Tue 22 Sept | Parla 15:48 | +28 min | +32 min |
| Mon 21 Sept | Parla 15:20 | +1 min | +10 min |
| Fri 18 Sept | Parla 15:40 | +20 min | +24 min |
| Thu 17 Sept | Parla 15:20 | +2 min | +6 min |
| Wed 16 Sept | Parla 15:31 | +10 min | +15 min |