RER 148454-148455

RER

Saint-Martin d'ÉtampesSaint-Quentin en Yvelines - Montigny-le-Bretonneux

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

Historical average delay — home ranking

+3.7 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: 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: 2
Unknown event type: 4
Cancelled runs, excluded: 1
No usable delay, excluded: 1

Latest source timestamp: 9/10/2026, 7:20:05 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

Saint-Martin d'Étampes
Departure
Scheduled time17:26
Predicted by the source17:26(0′)
Étampes
Arrival
Scheduled time17:30
Predicted by the source17:29(-1′)
Departure
Scheduled time17:31
Predicted by the source17:31(0′)
Étréchy
Arrival
Scheduled time17:36
Predicted by the source17:36(0′)
Departure
Scheduled time17:37
Predicted by the source17:37(0′)
Chamarande
Arrival
Scheduled time17:40
Predicted by the source17:39(-1′)
Departure
Scheduled time17:40
Predicted by the source17:40(0′)
Lardy
Arrival
Scheduled time17:43
Predicted by the source17:42(-1′)
Departure
Scheduled time17:44
Predicted by the source17:44(0′)
Bouray
Arrival
Scheduled time17:46
Predicted by the source17:46(0′)
Departure
Scheduled time17:47
Predicted by the source17:47(0′)
Marolles-en-Hurepoix
Arrival
Scheduled time17:50
Predicted by the source17:50(0′)
Departure
Scheduled time17:51
Predicted by the source17:51(0′)
Brétigny
Arrival
Scheduled time17:55
Predicted by the source17:54(-1′)
Departure
Scheduled time17:56
Predicted by the source17:56(0′)
Saint-Michel-sur-Orge
Arrival
Scheduled time17:59
Predicted by the source17:58(-1′)
Departure
Scheduled time18:00
Predicted by the source18:00(0′)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time18:02
Predicted by the source18:01(-1′)
Departure
Scheduled time18:03
Predicted by the source18:03(0′)
Épinay-sur-Orge
Arrival
Scheduled time18:05
Predicted by the source18:04(-1′)
Departure
Scheduled time18:06
Predicted by the source18:06(0′)
Savigny-sur-Orge
Arrival
Scheduled time18:08
Predicted by the source18:08(0′)
Departure
Scheduled time18:09
Predicted by the source18:09(0′)
Juvisy
Arrival
Scheduled time18:12
Predicted by the source18:11(-1′)
Departure
Scheduled time18:14
Predicted by the source18:14(0′)
Bibliothèque François Mitterrand
Arrival
Scheduled time18:25
Predicted by the source18:26(+1′)
Departure
Scheduled time18:26
Predicted by the source18:27(+1′)
Paris Austerlitz RER C
Arrival
Scheduled time18:28
Predicted by the source18:29(+1′)
Departure
Scheduled time18:29
Predicted by the source18:30(+1′)
Saint-Michel Notre-Dame
Arrival
Scheduled time18:32
Predicted by the source18:33(+1′)
Departure
Scheduled time18:33
Predicted by the source18:33(0′)
Musée d'Orsay
Arrival
Scheduled time18:36
Predicted by the source18:36(0′)
Departure
Scheduled time18:37
Predicted by the source18:37(0′)
Invalides
Arrival
Scheduled time18:39
Predicted by the source18:39(0′)
Departure
Scheduled time18:39
Predicted by the source18:40(+1′)
Pont de l'Alma
Arrival
Scheduled time18:41
Predicted by the source18:41(0′)
Departure
Scheduled time18:42
Predicted by the source18:42(0′)
Champ de Mars - Tour Eiffel
Arrival
Scheduled time18:43
Predicted by the source18:43(0′)
Departure
Scheduled time18:44
Predicted by the source18:44(0′)
Javel
Arrival
Scheduled time18:46
Predicted by the source18:46(0′)
Departure
Scheduled time18:47
Predicted by the source18:48(+1′)
Pont du Garigliano - Hôpital Européen Georges Pompidou
Arrival
Scheduled time18:49
Predicted by the source18:49(0′)
Departure
Scheduled time18:50
Predicted by the source18:50(0′)
Issy Val de Seine
Arrival
Scheduled time18:52
Predicted by the source18:51(-1′)
Departure
Scheduled time18:53
Predicted by the source18:53(0′)
Issy
Arrival
Scheduled time18:55
Predicted by the source18:54(-1′)
Departure
Scheduled time18:56
Predicted by the source18:56(0′)
Meudon Val Fleury
Arrival
Scheduled time18:58
Predicted by the source18:58(0′)
Departure
Scheduled time18:59
Predicted by the source18:59(0′)
Chaville - Vélizy
Arrival
Scheduled time19:04
Predicted by the source19:02(-2′)
Departure
Scheduled time19:04
Predicted by the source19:04(0′)
Viroflay Rive Gauche
Arrival
Scheduled time19:06
Predicted by the source19:05(-1′)
Departure
Scheduled time19:07
Predicted by the source19:07(0′)
Versailles Chantiers
Arrival
Scheduled time19:11
Predicted by the source19:10(-1′)
Departure
Scheduled time19:12
Predicted by the source19:13(+1′)
Saint-Cyr
Arrival
Scheduled time19:17
Predicted by the source19:17(0′)
Departure
Scheduled time19:17
Predicted by the source19:18(+1′)
Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux
Arrival
Scheduled time19:21
Predicted by the source19:20(-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+0.9 min

max delay+19 min

runs reported7

cancelled runs1

stops30

Delay values

DateDelay (min)

2026-08-280.8620689655172413

2026-09-031.6333333333333333

2026-09-041.9333333333333333

2026-09-07-0.2

2026-09-080.9333333333333333

2026-09-090.8333333333333334

2026-09-100.16666666666666666

Typical schedule

Stops and times of RER 148454-148455 from Saint-Martin d'Étampes to Saint-Quentin en Yvelines - Montigny-le-Bretonneux on a typical weekday. Actual times may vary.

StopArrivalDeparture

Saint-Martin d'Étampes—17:26

Étampes17:3017:31

Étréchy17:3617:37

Chamarande17:4017:40

Lardy17:4317:44

Bouray17:4617:47

Marolles-en-Hurepoix17:5017:51

Brétigny17:5517:56

Saint-Michel-sur-Orge17:5918:00

Sainte-Geneviève-des-Bois18:0218:03

Épinay-sur-Orge18:0518:06

Savigny-sur-Orge18:0818:09

Juvisy18:1218:14

Bibliothèque François Mitterrand18:2518:26

Paris Austerlitz RER C18:2818:29

Saint-Michel Notre-Dame18:3218:33

Musée d'Orsay18:3618:37

Invalides18:3918:39

Pont de l'Alma18:4118:42

Champ de Mars - Tour Eiffel18:4318:44

Javel18:4618:47

Pont du Garigliano - Hôpital Européen Georges Pompidou18:4918:50

Issy Val de Seine18:5218:53

Issy18:5518:56

Meudon Val Fleury18:5818:59

Chaville - Vélizy19:0419:04

Viroflay Rive Gauche19:0619:07

Versailles Chantiers19:1119:12

Saint-Cyr19:1719:17

Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux19:21—

Frequently asked questions

What time does RER 148454-148455 depart?

RER 148454-148455 departs from Saint-Martin d'Étampes at 17:26 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148454-148455 make?

RER 148454-148455 connects Saint-Martin d'Étampes to Saint-Quentin en Yvelines - Montigny-le-Bretonneux with 30 stops.

Is RER 148454-148455 on time?

Over the reported runs, RER 148454-148455 was reported on time 100% of runs, with an average delay of 0.9 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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