RER UPIR51

RER
Marne-la-Vallée - ChessyCergy le Haut
Some stops cancelled2 of 28 stops are reported cancelled. Passages at the other stops are not confirmed.

Punctuality : 89% on time · average delay +0.9 min · over 9 observed days

Usually

Usual times are calculated from past runs. See the selected run’s timetable below.

Departs
00:13
Arrives
01:40
Journey time
1 h 27
Stops
28
Runs
Mon Sun

Stops on the latest run

26 stops passed : 14 confirmed by the source, 12 from the forecast. Latest source data: 15 h 43 ago.

Run ended according to the timetable

Estimated progress: filled dots before the next stop, a ring at the next stop, empty dots afterwards. Passages not confirmed.

  1. Earlier stop (estimated)
    Marne-la-Vallée - Chessy
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 22 h 04 old)
  2. Earlier stop (estimated)
    Val d'Europe
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  3. Earlier stop (estimated)
    Bussy-Saint-Georges
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  4. Earlier stop (estimated)
    Torcy
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  5. Earlier stop (estimated)
    Lognes
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 17 h 30 old)
  6. Earlier stop (estimated)
    Noisiel
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 17 h 28 old)
  7. Earlier stop (estimated)
    Noisy - Champs
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  8. Earlier stop (estimated)
    Noisy-le-Grand - Mont d'Est
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  9. Earlier stop (estimated)
    Bry-sur-Marne
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  10. Earlier stop (estimated)
    Neuilly-Plaisance
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  11. Earlier stop (estimated)
    Val de Fontenay
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 17 h 16 old)
  12. Earlier stop (estimated)
    Vincennes
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  13. Earlier stop (estimated)
    Nation
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 17 h 09 old)
  14. Earlier stop (estimated)
    Gare de Lyon
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  15. Châtelet - Les HallesCancelledScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  16. Earlier stop (estimated)
    Auber
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-2′)
  17. Charles de Gaulle - ÉtoileCancelledScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  18. Earlier stop (estimated)
    La Défense
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-2′)
  19. Earlier stop (estimated)
    Nanterre - Préfecture
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-2′)
  20. Earlier stop (estimated)
    Houilles - Carrières-sur-Seine
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 16 h 44 old)
  21. Earlier stop (estimated)
    Sartrouville
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 16 h 41 old)
  22. Earlier stop (estimated)
    Maisons-Laffitte
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 16 h 41 old)
  23. Earlier stop (estimated)
    Achères Ville
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 16 h 31 old)
  24. Earlier stop (estimated)
    Conflans Fin d'Oise
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 16 h 31 old)
  25. Earlier stop (estimated)
    Neuville - Université
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 16 h 26 old)
  26. Earlier stop (estimated)
    Cergy Préfecture
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  27. Earlier stop (estimated)
    Cergy Saint-Christophe
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  28. Earlier stop (estimated)
    Cergy le Haut
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 16 h 07 old)

Punctuality of recorded routes

Reported delays per run with a complete route; separate from the ranking sample. A predicted delay does not confirm a passage.

runs reported on time89%
average delay+0.9 min
max delay+8 min
runs reported9
stops28
0m3m5m4/1018/101/11
Delay values
DateDelay (min)
2026-10-040.32142857142857145
2026-10-050.6071428571428571
2026-10-111.4642857142857142
2026-10-121.0714285714285714
2026-10-182.0714285714285716
2026-10-190.32142857142857145
2026-10-250.1111111111111111
2026-10-261.2222222222222223
2026-11-010.5769230769230769
Historical average delay — home ranking: +2.4 min (over 9 runs)

Average of available delays per run over the 30 days before calculation, with equal weight for each eligible run. This is not the current delay.

Runs used: 9. Calculated on: (Europe/Paris).

This average can be available without a complete route. The route statistics below use only recorded routes with their stops.

Calculation window: 10/2/2026, 3:29:30 AM – 11/1/2026, 2:29:30 AM (Europe/Paris).

Runs in the window
9
Events confirmed by the source
0
Events predicted by the source
9
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 11/1/2026, 1:40:07 AM (Europe/Paris).

Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.

Typical schedule

Stops and times of RER UPIR51 from Marne-la-Vallée - Chessy to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture
Marne-la-Vallée - Chessy00:1300:13
Val d'Europe00:1500:16
Bussy-Saint-Georges00:1900:20
Torcy00:2300:24
Lognes00:2500:26
Noisiel00:2700:28
Noisy - Champs00:3000:30
Noisy-le-Grand - Mont d'Est00:3300:33
Bry-sur-Marne00:3500:36
Neuilly-Plaisance00:3700:38
Val de Fontenay00:4000:41
Vincennes00:4500:45
Nation00:4800:48
Gare de Lyon00:5100:51
Châtelet - Les Halles00:5400:55
Auber00:5600:57
Charles de Gaulle - Étoile01:0001:00
La Défense01:0401:05
Nanterre - Préfecture01:0701:09
Houilles - Carrières-sur-Seine01:1201:13
Sartrouville01:1601:16
Maisons-Laffitte01:1801:18
Achères Ville01:2401:24
Conflans Fin d'Oise01:2701:27
Neuville - Université01:3001:30
Cergy Préfecture01:3301:33
Cergy Saint-Christophe01:3701:37
Cergy le Haut01:4001:40

Frequently asked questions

What time does RER UPIR51 depart?

RER UPIR51 departs from Marne-la-Vallée - Chessy at 00:13 (typical schedule from reported times). Actual times may vary.

How many stops does RER UPIR51 make?

RER UPIR51 connects Marne-la-Vallée - Chessy to Cergy le Haut with 28 stops.

Is RER UPIR51 on time?

Over the reported runs, RER UPIR51 was reported on time 89% of runs, with an average delay of 0.9 minutes.

Other trains on this line

Live status and delays for the other trains serving the same stations.

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