RER 141856-141857

RER

Saint-Quentin en Yvelines - Montigny-le-BretonneuxDourdan la Forêt

Passages not confirmedTimes reported by the data source. Passages are not confirmed.

Historical average delay — home ranking

+2.6 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: 5. Calculated on: 9/11/2026, 1:00:25 AM (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 AM – 9/11/2026, 1:00:25 AM (Europe/Paris).

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

Latest source timestamp: 9/10/2026, 8:18:54 AM (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

Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux
Departure
Scheduled time06:25
Predicted by the source06:25(0′)
Saint-Cyr
Arrival
Scheduled time06:28
Predicted by the source06:27(-1′)
Departure
Scheduled time06:29
Predicted by the source06:30(+1′)
Versailles Chantiers
Arrival
Scheduled time06:34
Predicted by the source06:33(-1′)
Departure
Scheduled time06:35
Predicted by the source06:35(0′)
Viroflay Rive Gauche
Arrival
Scheduled time06:39
Predicted by the source06:38(-1′)
Departure
Scheduled time06:39
Predicted by the source06:39(0′)
Chaville - Vélizy
Arrival
Scheduled time06:41
Predicted by the source06:40(-1′)
Departure
Scheduled time06:42
Predicted by the source06:42(0′)
Meudon Val Fleury
Arrival
Scheduled time06:46
Predicted by the source06:45(-1′)
Departure
Scheduled time06:46
Predicted by the source06:46(0′)
Issy
Arrival
Scheduled time06:48
Predicted by the source06:47(-1′)
Departure
Scheduled time06:49
Predicted by the source06:47(-2′)
Issy Val de Seine
Arrival
Scheduled time06:51
Predicted by the source06:51(0′)
Departure
Scheduled time06:52
Predicted by the source06:51(-1′)
Pont du Garigliano - Hôpital Européen Georges Pompidou
Arrival
Scheduled time06:54
Predicted by the source06:54(0′)
Departure
Scheduled time06:55
Predicted by the source06:54(-1′)
Javel
Arrival
Scheduled time06:56
Predicted by the source06:56(0′)
Departure
Scheduled time06:57
Predicted by the source06:56(-1′)
Champ de Mars - Tour Eiffel
Arrival
Scheduled time06:59
Predicted by the source06:59(0′)
Departure
Scheduled time07:00
Predicted by the source07:00(0′)
Pont de l'Alma
Arrival
Scheduled time07:02
Predicted by the source07:03(+1′)
Departure
Scheduled time07:02
Predicted by the source07:03(+1′)
Invalides
Arrival
Scheduled time07:04
Predicted by the source07:05(+1′)
Departure
Scheduled time07:05
Predicted by the source07:05(0′)
Musée d'Orsay
Arrival
Scheduled time07:06
Predicted by the source07:07(+1′)
Departure
Scheduled time07:07
Predicted by the source07:07(0′)
Saint-Michel Notre-Dame
Arrival
Scheduled time07:10
Predicted by the source07:10(0′)
Departure
Scheduled time07:10
Predicted by the source07:12(+2′)
Paris Austerlitz RER C
Arrival
Scheduled time07:14
Predicted by the source07:15(+1′)
Departure
Scheduled time07:15
Predicted by the source07:15(0′)
Bibliothèque François Mitterrand
Arrival
Scheduled time07:18
Predicted by the source07:18(0′)
Departure
Scheduled time07:20
Predicted by the source07:18(-2′)
Juvisy
Arrival
Scheduled time07:29
Predicted by the source07:29(0′)
Departure
Scheduled time07:30
Predicted by the source07:30(0′)
Savigny-sur-Orge
Arrival
Scheduled time07:33
Predicted by the source07:33(0′)
Departure
Scheduled time07:34
Predicted by the source07:34(0′)
Épinay-sur-Orge
Arrival
Scheduled time07:36
Predicted by the source07:35(-1′)
Departure
Scheduled time07:37
Predicted by the source07:35(-2′)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time07:39
Predicted by the source07:38(-1′)
Departure
Scheduled time07:40
Predicted by the source07:40(0′)
Saint-Michel-sur-Orge
Arrival
Scheduled time07:42
Predicted by the source07:41(-1′)
Departure
Scheduled time07:43
Predicted by the source07:43(0′)
Brétigny
Arrival
Scheduled time07:47
Predicted by the source07:47(0′)
Departure
Scheduled time07:48
Predicted by the source07:48(0′)
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time07:52
Predicted by the source07:51(-1′)
Departure
Scheduled time07:52
Predicted by the source07:52(0′)
Arpajon
Arrival
Scheduled time07:55
Predicted by the source07:54(-1′)
Departure
Scheduled time07:56
Predicted by the source07:54(-2′)
Égly
Arrival
Scheduled time07:57
Predicted by the source07:57(0′)
Departure
Scheduled time07:58
Predicted by the source07:58(0′)
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time08:01
Predicted by the source08:00(-1′)
Departure
Scheduled time08:02
Predicted by the source08:01(-1′)
Breuillet Village
Arrival
Scheduled time08:05
Predicted by the source08:03(-2′)
Departure
Scheduled time08:06
Predicted by the source08:05(-1′)
Saint-Chéron
Arrival
Scheduled time08:10
Predicted by the source08:08(-2′)
Departure
Scheduled time08:10
Predicted by the source08:10(0′)
Sermaise
Arrival
Scheduled time08:14
Predicted by the source08:13(-1′)
Departure
Scheduled time08:15
Predicted by the source08:15(0′)
Dourdan
Arrival
Scheduled time08:20
Predicted by the source08:19(-1′)
Departure
Scheduled time08:21
Predicted by the source08:21(0′)
Dourdan La Forêt
Arrival
Scheduled time08:23
Predicted by the source08:23(0′)

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 time—

average delay+2.3 min

max delay+14 min

runs reported6

cancelled runs2

stops32

Delay values

DateDelay (min)

2026-08-270

2026-08-280.90625

2026-09-03-0.125

2026-09-0714

2026-09-08-0.53125

2026-09-10-0.28125

Typical schedule

Stops and times of RER 141856-141857 from Saint-Quentin en Yvelines - Montigny-le-Bretonneux to Dourdan la Forêt on a typical weekday. Actual times may vary.

StopArrivalDeparture

Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux—06:25

Saint-Cyr06:2806:29

Versailles Chantiers06:3406:35

Viroflay Rive Gauche06:3906:39

Chaville - Vélizy06:4106:42

Meudon Val Fleury06:4606:46

Issy06:4806:49

Issy Val de Seine06:5106:52

Pont du Garigliano - Hôpital Européen Georges Pompidou06:5406:55

Javel06:5606:57

Champ de Mars - Tour Eiffel06:5907:00

Pont de l'Alma07:0207:02

Invalides07:0407:05

Musée d'Orsay07:0607:07

Saint-Michel Notre-Dame07:1007:10

Paris Austerlitz RER C07:1407:15

Bibliothèque François Mitterrand07:1807:20

Juvisy07:2907:30

Savigny-sur-Orge07:3307:34

Épinay-sur-Orge07:3607:37

Sainte-Geneviève-des-Bois07:3907:40

Saint-Michel-sur-Orge07:4207:43

Brétigny07:4707:48

La Norville - Saint-Germain-lès-Arpajon07:5207:52

Arpajon07:5507:56

Égly07:5707:58

Breuillet - Bruyères-le-Châtel08:0108:02

Breuillet Village08:0508:06

Saint-Chéron08:1008:10

Sermaise08:1408:15

Dourdan08:2008:21

Dourdan La Forêt08:23—

Frequently asked questions

What time does RER 141856-141857 depart?

RER 141856-141857 departs from Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux at 06:25 (typical schedule from reported times). Actual times may vary.

How many stops does RER 141856-141857 make?

RER 141856-141857 connects Saint-Quentin en Yvelines - Montigny-le-Bretonneux to Dourdan la Forêt with 32 stops.

Is RER 141856-141857 on time?

Over the reported runs, every run of RER 141856-141857 was cancelled (2 runs): punctuality cannot be established.

Other trains on this line

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

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