RER UPAC79

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

Punctuality : 88% on time · average delay +1.3 min · over 8 observed days

Usually

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

Departs
09:55 · Marne-la-Vallée - Chessy
Arrives
11:23
Journey time
1 h 28
Stops
28
Runs
Weekends

Stops on the latest run

28 stops passed : 13 confirmed by the source, 15 from the forecast. Latest source data: 2 h 26 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 40 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 23 old)
  3. Earlier stop (estimated)
    Bussy-Saint-Georges
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  4. Earlier stop (estimated)
    Torcy
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  5. Earlier stop (estimated)
    Lognes
    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 16 old)
  6. Earlier stop (estimated)
    Noisiel
    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 10 old)
  7. Earlier stop (estimated)
    Noisy - Champs
    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 08 old)
  8. Earlier stop (estimated)
    Noisy-le-Grand - Mont d'Est
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    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
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 4 h 03 old)
  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 3 h 59 old)
  12. Earlier stop (estimated)
    Vincennes
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 3 h 57 old)
  13. Earlier stop (estimated)
    Nation
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  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. Earlier stop (estimated)
    Châtelet - Les Halles
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  16. Earlier stop (estimated)
    Auber
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 3 h 42 old)
  17. Earlier stop (estimated)
    Charles de Gaulle - Étoile
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  18. Earlier stop (estimated)
    La Défense
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  19. Earlier stop (estimated)
    Nanterre - Préfecture
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    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
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  21. Earlier stop (estimated)
    Sartrouville
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 3 h 22 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 3 h 20 old)
  23. Earlier stop (estimated)
    Achères Ville
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 3 h 15 old)
  24. Earlier stop (estimated)
    Conflans Fin d'Oise
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 3 h 11 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 3 h 09 old)
  26. Earlier stop (estimated)
    Cergy Préfecture
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  27. Earlier stop (estimated)
    Cergy Saint-Christophe
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  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 2 h 51 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 time88%
average delay+1.3 min
max delay+6 min
runs reported8
stops28
0m3m5m10/1018/101/11
Delay values
DateDelay (min)
2026-10-100.42857142857142855
2026-10-111
2026-10-173.037037037037037
2026-10-181.75
2026-10-240.5555555555555556
2026-10-251.2857142857142858
2026-10-312
2026-11-010.39285714285714285
Historical average delay — home ranking: +1.6 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, 11:21:56 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 UPAC79 from Marne la Vallée - Chessy to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture
Marne-la-Vallée - Chessy09:5509:55
Val d'Europe09:5709:57
Bussy-Saint-Georges10:0110:01
Torcy10:0410:05
Lognes10:0710:07
Noisiel10:0910:09
Noisy - Champs10:1210:12
Noisy-le-Grand - Mont d'Est10:1510:15
Bry-sur-Marne10:1710:18
Neuilly-Plaisance10:1910:20
Val de Fontenay10:2210:23
Vincennes10:2710:27
Nation10:3010:30
Gare de Lyon10:3310:33
Châtelet - Les Halles10:3610:37
Auber10:3810:39
Charles de Gaulle - Étoile10:4210:42
La Défense10:4610:47
Nanterre - Préfecture10:4910:51
Houilles - Carrières-sur-Seine10:5410:56
Sartrouville10:5810:59
Maisons-Laffitte11:0011:01
Achères Ville11:0711:07
Conflans Fin d'Oise11:0911:10
Neuville - Université11:1211:13
Cergy Préfecture11:1611:16
Cergy Saint-Christophe11:2011:20
Cergy le Haut11:2311:23

Frequently asked questions

What time does RER UPAC79 depart?

RER UPAC79 departs from Marne-la-Vallée - Chessy at 09:55 (typical schedule from reported times). Actual times may vary.

How many stops does RER UPAC79 make?

RER UPAC79 connects Marne la Vallée - Chessy to Cergy le Haut with 28 stops.

Is RER UPAC79 on time?

Over the reported runs, RER UPAC79 was reported on time 88% of runs, with an average delay of 1.3 minutes.

Other trains on this line

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

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