RER 147838-147839

RER
Saint-Quentin en Yvelines - Montigny-le-BretonneuxDourdan
Passages not confirmedTimes reported by the data source. Passages are not confirmed.

Historical average delay — home ranking

+1 min

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: 6. 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: 8/12/2026, 1:00:25 AM9/11/2026, 1:00:25 AM (Europe/Paris).

Runs in the window
8
Events confirmed by the source
0
Events predicted by the source
2
Unknown event type
4
Cancelled runs, excluded
1
No usable delay, excluded
1

Latest source timestamp: 9/10/2026, 6:12:10 PM (Europe/Paris).

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

Latest available run: these times are historical.

Stops on the latest run

  1. Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux
    Departure
    Scheduled time
    Predicted by the source(0′)
  2. Saint-Cyr
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  3. Versailles Chantiers
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  4. Viroflay Rive Gauche
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  5. Chaville - Vélizy
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  6. Meudon Val Fleury
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  7. Issy
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
  8. Issy Val de Seine
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  9. Pont du Garigliano - Hôpital Européen Georges Pompidou
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  10. Javel
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  11. Champ de Mars - Tour Eiffel
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
  12. Pont de l'Alma
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  13. Invalides
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  14. Musée d'Orsay
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  15. Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  16. Paris Austerlitz RER C
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  17. Bibliothèque François Mitterrand
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  18. Juvisy
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  19. Brétigny
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  20. La Norville - Saint-Germain-lès-Arpajon
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  21. Arpajon
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  22. Égly
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  23. Breuillet - Bruyères-le-Châtel
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  24. Breuillet Village
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
  25. Saint-Chéron
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
  26. Sermaise
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  27. Dourdan
    Arrival
    Scheduled time
    Predicted by the source(+3′)

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.

Cancelled runs are excluded from the punctuality calculation.

runs reported on time100%
average delay+0.5 min
max delay+3 min
runs reported7
cancelled runs1
stops27
0m2m5m27/87/910/9
Delay values
DateDelay (min)
2026-08-270.5185185185185185
2026-08-280.14814814814814814
2026-09-030.8518518518518519
2026-09-070.5555555555555556
2026-09-08-0.07407407407407407
2026-09-090.8518518518518519
2026-09-100.3333333333333333

Typical schedule

Stops and times of RER 147838-147839 from Saint-Quentin en Yvelines - Montigny-le-Bretonneux to Dourdan on a typical weekday. Actual times may vary.

StopArrivalDeparture
Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux16:26
Saint-Cyr16:2816:29
Versailles Chantiers16:3416:35
Viroflay Rive Gauche16:3816:39
Chaville - Vélizy16:4016:41
Meudon Val Fleury16:4516:46
Issy16:4816:49
Issy Val de Seine16:5116:52
Pont du Garigliano - Hôpital Européen Georges Pompidou16:5316:54
Javel16:5616:57
Champ de Mars - Tour Eiffel16:5917:00
Pont de l'Alma17:0117:02
Invalides17:0417:05
Musée d'Orsay17:0617:07
Saint-Michel Notre-Dame17:1017:10
Paris Austerlitz RER C17:1417:15
Bibliothèque François Mitterrand17:1817:19
Juvisy17:2917:30
Brétigny17:3817:39
La Norville - Saint-Germain-lès-Arpajon17:4317:44
Arpajon17:4617:47
Égly17:4917:49
Breuillet - Bruyères-le-Châtel17:5217:52
Breuillet Village17:5517:56
Saint-Chéron17:5918:00
Sermaise18:0318:04
Dourdan18:09

Frequently asked questions

What time does RER 147838-147839 depart?

RER 147838-147839 departs from Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux at 16:26 (typical schedule from reported times). Actual times may vary.

How many stops does RER 147838-147839 make?

RER 147838-147839 connects Saint-Quentin en Yvelines - Montigny-le-Bretonneux to Dourdan with 27 stops.

Is RER 147838-147839 on time?

Over the reported runs, RER 147838-147839 was reported on time 100% of runs, with an average delay of 0.5 minutes. 1 cancelled run is excluded from the calculation.

Other trains on this line

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

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