RER 148860-148861

RER
Dourdan la ForêtSaint-Quentin en Yvelines - Montigny-le-Bretonneux
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, 8:06:00 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. Dourdan La Forêt
    Departure
    Scheduled time
    Predicted by the source(0′)
  2. Dourdan
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  3. Sermaise
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  4. Saint-Chéron
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  5. Breuillet Village
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  6. Breuillet - Bruyères-le-Châtel
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  7. Égly
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  8. Arpajon
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  9. La Norville - Saint-Germain-lès-Arpajon
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  10. Brétigny
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  11. Saint-Michel-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  12. Sainte-Geneviève-des-Bois
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  13. Épinay-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  14. Savigny-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  15. Juvisy
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  16. Bibliothèque François Mitterrand
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  17. Paris Austerlitz RER C
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  18. Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  19. Musée d'Orsay
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  20. Invalides
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  21. Pont de l'Alma
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  22. Champ de Mars - Tour Eiffel
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  23. Javel
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  24. Pont du Garigliano - Hôpital Européen Georges Pompidou
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
  25. Issy Val de Seine
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
  26. Issy
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  27. Meudon Val Fleury
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
  28. Chaville - Vélizy
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  29. Viroflay Rive Gauche
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  30. Versailles Chantiers
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  31. Saint-Cyr
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  32. Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux
    Arrival
    Scheduled time
    Predicted by the source(-1′)

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+0.3 min
max delay+7 min
runs reported7
cancelled runs1
stops32
-1m2m5m28/87/910/9
Delay values
DateDelay (min)
2026-08-282.40625
2026-09-03-0.15625
2026-09-040.96875
2026-09-07-0.625
2026-09-08-0.5625
2026-09-090.1875
2026-09-100.15625

Typical schedule

Stops and times of RER 148860-148861 from Dourdan la Forêt to Saint-Quentin en Yvelines - Montigny-le-Bretonneux on a typical weekday. Actual times may vary.

StopArrivalDeparture
Dourdan La Forêt18:05
Dourdan18:0718:07
Sermaise18:1218:12
Saint-Chéron18:1718:17
Breuillet Village18:2118:21
Breuillet - Bruyères-le-Châtel18:2418:25
Égly18:2818:28
Arpajon18:3118:31
La Norville - Saint-Germain-lès-Arpajon18:3418:35
Brétigny18:4018:42
Saint-Michel-sur-Orge18:4618:46
Sainte-Geneviève-des-Bois18:4818:49
Épinay-sur-Orge18:5218:52
Savigny-sur-Orge18:5418:55
Juvisy18:5818:59
Bibliothèque François Mitterrand19:1119:12
Paris Austerlitz RER C19:1519:16
Saint-Michel Notre-Dame19:1919:20
Musée d'Orsay19:2319:23
Invalides19:2519:26
Pont de l'Alma19:2719:28
Champ de Mars - Tour Eiffel19:2919:30
Javel19:3219:33
Pont du Garigliano - Hôpital Européen Georges Pompidou19:3519:36
Issy Val de Seine19:3819:39
Issy19:4119:41
Meudon Val Fleury19:4419:45
Chaville - Vélizy19:4919:50
Viroflay Rive Gauche19:5119:52
Versailles Chantiers19:5619:57
Saint-Cyr20:0220:02
Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux20:06

Frequently asked questions

What time does RER 148860-148861 depart?

RER 148860-148861 departs from Dourdan La Forêt at 18:05 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148860-148861 make?

RER 148860-148861 connects Dourdan la Forêt to Saint-Quentin en Yvelines - Montigny-le-Bretonneux with 32 stops.

Is RER 148860-148861 on time?

Over the reported runs, RER 148860-148861 was reported on time 100% of runs, with an average delay of 0.3 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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