RER 147844-147845

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

+7.5 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, 6:59:13 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(+1′)
  2. Saint-Cyr
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  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(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  5. Chaville - Vélizy
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  6. Meudon Val Fleury
    Arrival
    Scheduled time
    Predicted by the source(0′)
    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(-1′)
    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(+1′)
  11. Champ de Mars - Tour Eiffel
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  12. Pont de l'Alma
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  13. Invalides
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  14. Musée d'Orsay
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  15. Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
  16. Paris Austerlitz RER C
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  17. Bibliothèque François Mitterrand
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  18. Juvisy
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
  19. Brétigny
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+4′)
  20. La Norville - Saint-Germain-lès-Arpajon
    Arrival
    Scheduled time
    Predicted by the source(+4′)
    Departure
    Scheduled time
    Predicted by the source(+4′)
  21. Arpajon
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+4′)
  22. Égly
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+4′)
  23. Breuillet - Bruyères-le-Châtel
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+4′)
  24. Breuillet Village
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
  25. Saint-Chéron
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  26. Sermaise
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
  27. Dourdan
    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+7.0 min
max delay+110 min
runs reported7
cancelled runs1
stops27
0m20m40m27/87/910/9
Delay values
DateDelay (min)
2026-08-2739.629629629629626
2026-08-282.2222222222222223
2026-09-032.740740740740741
2026-09-071.7407407407407407
2026-09-080.6666666666666666
2026-09-090.5925925925925926
2026-09-101.6296296296296295

Typical schedule

Stops and times of RER 147844-147845 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-Bretonneux17:10
Saint-Cyr17:1317:14
Versailles Chantiers17:1917:20
Viroflay Rive Gauche17:2317:24
Chaville - Vélizy17:2517:26
Meudon Val Fleury17:3017:31
Issy17:3317:34
Issy Val de Seine17:3617:37
Pont du Garigliano - Hôpital Européen Georges Pompidou17:3817:39
Javel17:4117:42
Champ de Mars - Tour Eiffel17:4417:45
Pont de l'Alma17:4617:47
Invalides17:4917:50
Musée d'Orsay17:5117:52
Saint-Michel Notre-Dame17:5517:55
Paris Austerlitz RER C17:5918:00
Bibliothèque François Mitterrand18:0318:04
Juvisy18:1418:16
Brétigny18:2318:24
La Norville - Saint-Germain-lès-Arpajon18:2818:29
Arpajon18:3118:32
Égly18:3418:34
Breuillet - Bruyères-le-Châtel18:3718:37
Breuillet Village18:4018:41
Saint-Chéron18:4418:45
Sermaise18:4818:49
Dourdan18:54

Frequently asked questions

What time does RER 147844-147845 depart?

RER 147844-147845 departs from Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux at 17:10 (typical schedule from reported times). Actual times may vary.

How many stops does RER 147844-147845 make?

RER 147844-147845 connects Saint-Quentin en Yvelines - Montigny-le-Bretonneux to Dourdan with 27 stops.

Is RER 147844-147845 on time?

Over the reported runs, RER 147844-147845 was reported on time 100% of runs, with an average delay of 7.0 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.

Back to the list