RER UPAC83

RER
Marne la Vallée - ChessyCergy le Haut
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 100% on time · average delay +0.9 min · over 8 observed days

Usually

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

Departs
10:15 · Marne-la-Vallée - Chessy
Arrives
11:43
Journey time
1 h 28
Stops
28
Runs
Weekends

Stops on the latest run

28 stops passed : 18 confirmed by the source, 10 from the forecast. Latest source data: 2 h 06 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 4 h 21 old)
  2. Earlier stop (estimated)
    Val d'Europe
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 4 h 03 old)
  3. Earlier stop (estimated)
    Bussy-Saint-Georges
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 4 h old)
  4. Earlier stop (estimated)
    Torcy
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 3 h 57 old)
  5. Earlier stop (estimated)
    Lognes
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
    Passed according to the source forecast (data 3 h 50 old)
  6. Earlier stop (estimated)
    Noisiel
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
    Passed according to the source forecast (data 3 h 48 old)
  7. Earlier stop (estimated)
    Noisy - Champs
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  8. Earlier stop (estimated)
    Noisy-le-Grand - Mont d'Est
    Arrival
    Scheduled time
    Confirmed by the source(+4′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  9. Earlier stop (estimated)
    Bry-sur-Marne
    Arrival
    Scheduled time
    Confirmed by the source(+4′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+4′)
  10. Earlier stop (estimated)
    Neuilly-Plaisance
    Arrival
    Scheduled time
    Confirmed by the source(+4′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+4′)
  11. Earlier stop (estimated)
    Val de Fontenay
    Arrival
    Scheduled time
    Confirmed by the source(+4′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  12. Earlier stop (estimated)
    Vincennes
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
    Passed according to the source forecast (data 3 h 30 old)
  13. Earlier stop (estimated)
    Nation
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  14. Earlier stop (estimated)
    Gare de Lyon
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  15. Earlier stop (estimated)
    Châtelet - Les Halles
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  16. Earlier stop (estimated)
    Auber
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  17. Earlier stop (estimated)
    Charles de Gaulle - Étoile
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  18. Earlier stop (estimated)
    La Défense
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    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(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  20. Earlier stop (estimated)
    Houilles - Carrières-sur-Seine
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  21. Earlier stop (estimated)
    Sartrouville
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  22. Earlier stop (estimated)
    Maisons-Laffitte
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
    Passed according to the source forecast (data 2 h 59 old)
  23. Earlier stop (estimated)
    Achères Ville
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  24. Earlier stop (estimated)
    Conflans Fin d'Oise
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  25. Earlier stop (estimated)
    Neuville - Université
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
    Passed according to the source forecast (data 2 h 46 old)
  26. Earlier stop (estimated)
    Cergy Préfecture
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  27. Earlier stop (estimated)
    Cergy Saint-Christophe
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  28. Earlier stop (estimated)
    Cergy le Haut
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 2 h 27 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 time100%
average delay+0.9 min
max delay+5 min
runs reported8
stops28
0m3m5m10/1018/101/11
Delay values
DateDelay (min)
2026-10-101.0357142857142858
2026-10-110.4642857142857143
2026-10-170.9259259259259259
2026-10-180.10714285714285714
2026-10-240.14814814814814814
2026-10-250.5
2026-10-310.8148148148148148
2026-11-012.9285714285714284
Historical average delay — home ranking: −0.5 min (over 8 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: 8. 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, 1:31:10 PM – 11/1/2026, 12:31:10 PM (Europe/Paris).

Runs in the window
8
Events confirmed by the source
0
Events predicted by the source
8
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 11/1/2026, 11:44:14 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 UPAC83 from Marne la Vallée - Chessy to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture
Marne-la-Vallée - Chessy10:1510:15
Val d'Europe10:1710:17
Bussy-Saint-Georges10:2110:21
Torcy10:2410:25
Lognes10:2710:27
Noisiel10:2910:29
Noisy - Champs10:3210:32
Noisy-le-Grand - Mont d'Est10:3510:35
Bry-sur-Marne10:3710:38
Neuilly-Plaisance10:3910:40
Val de Fontenay10:4210:43
Vincennes10:4710:47
Nation10:5010:50
Gare de Lyon10:5310:53
Châtelet - Les Halles10:5610:57
Auber10:5810:59
Charles de Gaulle - Étoile11:0211:02
La Défense11:0611:07
Nanterre - Préfecture11:0911:11
Houilles - Carrières-sur-Seine11:1411:16
Sartrouville11:1811:19
Maisons-Laffitte11:2011:21
Achères Ville11:2711:27
Conflans Fin d'Oise11:2911:30
Neuville - Université11:3211:33
Cergy Préfecture11:3611:36
Cergy Saint-Christophe11:4011:40
Cergy le Haut11:4311:43

Frequently asked questions

What time does RER UPAC83 depart?

RER UPAC83 departs from Marne-la-Vallée - Chessy at 10:15 (typical schedule from reported times). Actual times may vary.

How many stops does RER UPAC83 make?

RER UPAC83 connects Marne la Vallée - Chessy to Cergy le Haut with 28 stops.

Is RER UPAC83 on time?

Over the reported runs, RER UPAC83 was reported on time 100% 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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