C7 21851
View line C7
Alerts for train 21851
Alerts are saved per line, not per trip id, so they keep working when the operator changes the timetable. This train runs on line C7.
The mini-map returns when the train runs
On-time · 30 days
30%
6/20 runs under 3 min
RT coverage: 20 full · 0 partial · 0 no data
On-time · 90 days
25%
11/44 runs under 3 min
RT coverage: 44 full · 0 partial · 0 no data
Typical delay
+9min
Median at arrival, 90 days
30 days: +7 min
P90
+21min
9 in 10 runs arrive with less than this
30 days: +18 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
- Tue 22 Sept Max en route +119 min · last fix heading to Alcalá de Henares +119 min
- Wed 2 Sept Max en route +107 min · last fix heading to Alcalá de Henares +107 min
- Fri 25 Sept Max en route +38 min · last fix heading to Madrid-Príncipe Pío +26 min
- Thu 16 Jul Max en route +28 min · last fix heading to Madrid-Príncipe Pío +25 min
- Fri 31 Jul Max en route +30 min · last fix heading to Madrid-Príncipe Pío +23 min
Distribution · 90 days
44 runs with a known final delay. On time = under 3 min, the same cut the map uses.
- Early 0% · 0
- On time 25% · 11
- 3–10 min 27% · 12
- 10–30 min 43% · 19
- 30+ min 5% · 2
On-time by weekday
- 0% M n=8
- 44% T n=9
- 22% W n=9
- 22% T n=9
- 33% F n=9
- — S n=0
- — S n=0
Recent runs
| Date | Last stop | Final | Max |
|---|---|---|---|
| Fri 9 Oct | Madrid-Príncipe Pío 17:33 | 0 min | +6 min |
| Thu 8 Oct | Madrid-Príncipe Pío 17:40 | +7 min | +16 min |
| Wed 7 Oct | Madrid-Príncipe Pío 17:46 | +10 min | +11 min |
| Tue 6 Oct | Madrid-Príncipe Pío 17:34 | +1 min | +11 min |
| Mon 5 Oct | Madrid-Príncipe Pío 17:48 | +14 min | +24 min |
| Fri 2 Oct | Aravaca 17:38 | +2 min | +12 min |
| Thu 1 Oct | Aravaca 17:35 | +6 min | +13 min |
| Wed 30 Sept | Madrid-Príncipe Pío 17:36 | +1 min | +13 min |
| Tue 29 Sept | Madrid-Príncipe Pío 17:35 | +1 min | +13 min |
| Mon 28 Sept | Madrid-Príncipe Pío 17:43 | +8 min | +13 min |
| Fri 25 Sept | Madrid-Príncipe Pío 18:01 | +26 min | +38 min |
| Thu 24 Sept | Madrid-Príncipe Pío 17:50 | +14 min | +22 min |
| Wed 23 Sept | Madrid-Príncipe Pío 17:36 | +1 min | +12 min |
| Tue 22 Sept | Alcalá de Henares 18:05 | +119 min | +119 min |
| Mon 21 Sept | Madrid-Príncipe Pío 17:53 | +17 min | +23 min |
| Fri 18 Sept | Madrid-Príncipe Pío 17:42 | +6 min | +14 min |
| Thu 17 Sept | Madrid-Príncipe Pío 17:52 | +17 min | +25 min |
| Wed 16 Sept | Madrid-Príncipe Pío 17:50 | +14 min | +23 min |
| Tue 15 Sept | Madrid-Príncipe Pío 17:48 | +14 min | +23 min |
| Mon 14 Sept | Madrid-Príncipe Pío 17:41 | +6 min | +16 min |
| Fri 11 Sept | Madrid-Príncipe Pío 17:46 | +10 min | +21 min |
| Thu 10 Sept | Madrid-Príncipe Pío 17:37 | +2 min | +13 min |
| Wed 9 Sept | Madrid-Príncipe Pío 17:44 | +9 min | +16 min |
| Tue 8 Sept | Madrid-Príncipe Pío 17:37 | +1 min | +14 min |
| Mon 7 Sept | Madrid-Chamartín-Clara Campoamor 17:17 | +4 min | +13 min |
| Fri 4 Sept | Madrid-Príncipe Pío 17:35 | +1 min | +15 min |
| Thu 3 Sept | Madrid-Príncipe Pío 17:41 | +5 min | +13 min |
| Wed 2 Sept | Alcalá de Henares 17:52 | +107 min | +107 min |
| Tue 1 Sept | Madrid-Príncipe Pío 17:47 | +12 min | +22 min |
| Mon 31 Aug | Madrid-Príncipe Pío 17:41 | +5 min | +15 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.