RER 148488-148489

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

+0.4 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: 8. 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: 6
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 9/10/2026, 11:36:10 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

Saint-Martin d'Étampes
Departure
Scheduled time21:41
Predicted by the source21:42(+1′)
Étampes
Arrival
Scheduled time21:45
Predicted by the source21:46(+1′)
Departure
Scheduled time21:46
Predicted by the source21:46(0′)
Étréchy
Arrival
Scheduled time21:51
Predicted by the source21:52(+1′)
Departure
Scheduled time21:52
Predicted by the source21:52(0′)
Chamarande
Arrival
Scheduled time21:55
Predicted by the source21:55(0′)
Departure
Scheduled time21:55
Predicted by the source21:57(+2′)
Lardy
Arrival
Scheduled time21:58
Predicted by the source21:59(+1′)
Departure
Scheduled time21:59
Predicted by the source22:00(+1′)
Bouray
Arrival
Scheduled time22:01
Predicted by the source22:02(+1′)
Departure
Scheduled time22:02
Predicted by the source22:03(+1′)
Marolles-en-Hurepoix
Arrival
Scheduled time22:05
Predicted by the source22:06(+1′)
Departure
Scheduled time22:06
Predicted by the source22:07(+1′)
Brétigny
Arrival
Scheduled time22:10
Predicted by the source22:11(+1′)
Departure
Scheduled time22:11
Predicted by the source22:12(+1′)
Saint-Michel-sur-Orge
Arrival
Scheduled time22:14
Predicted by the source22:15(+1′)
Departure
Scheduled time22:15
Predicted by the source22:16(+1′)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time22:17
Predicted by the source22:18(+1′)
Departure
Scheduled time22:18
Predicted by the source22:19(+1′)
Épinay-sur-Orge
Arrival
Scheduled time22:20
Predicted by the source22:21(+1′)
Departure
Scheduled time22:21
Predicted by the source22:22(+1′)
Savigny-sur-Orge
Arrival
Scheduled time22:23
Predicted by the source22:24(+1′)
Departure
Scheduled time22:24
Predicted by the source22:25(+1′)
Juvisy
Arrival
Scheduled time22:27
Predicted by the source22:27(0′)
Departure
Scheduled time22:29
Predicted by the source22:30(+1′)
Bibliothèque François Mitterrand
Arrival
Scheduled time22:40
Predicted by the source22:42(+2′)
Departure
Scheduled time22:41
Predicted by the source22:43(+2′)
Paris Austerlitz RER C
Arrival
Scheduled time22:43
Predicted by the source22:45(+2′)
Departure
Scheduled time22:44
Predicted by the source22:46(+2′)
Saint-Michel Notre-Dame
Arrival
Scheduled time22:47
Predicted by the source22:50(+3′)
Departure
Scheduled time22:48
Predicted by the source22:50(+2′)
Musée d'Orsay
Arrival
Scheduled time22:51
Predicted by the source22:54(+3′)
Departure
Scheduled time22:52
Predicted by the source22:54(+2′)
Invalides
Arrival
Scheduled time22:54
Predicted by the source22:56(+2′)
Departure
Scheduled time22:54
Predicted by the source22:56(+2′)
Pont de l'Alma
Arrival
Scheduled time22:56
Predicted by the source22:58(+2′)
Departure
Scheduled time22:57
Predicted by the source22:59(+2′)
Champ de Mars - Tour Eiffel
Arrival
Scheduled time22:58
Predicted by the source23:01(+3′)
Departure
Scheduled time22:59
Predicted by the source23:01(+2′)
Javel
Arrival
Scheduled time23:01
Predicted by the source23:03(+2′)
Departure
Scheduled time23:02
Predicted by the source23:05(+3′)
Pont du Garigliano - Hôpital Européen Georges Pompidou
Arrival
Scheduled time23:04
Predicted by the source23:06(+2′)
Departure
Scheduled time23:05
Predicted by the source23:06(+1′)
Issy Val de Seine
Arrival
Scheduled time23:07
Predicted by the source23:08(+1′)
Departure
Scheduled time23:08
Predicted by the source23:09(+1′)
Issy
Arrival
Scheduled time23:10
Predicted by the source23:10(0′)
Departure
Scheduled time23:11
Predicted by the source23:11(0′)
Meudon Val Fleury
Arrival
Scheduled time23:13
Predicted by the source23:13(0′)
Departure
Scheduled time23:14
Predicted by the source23:14(0′)
Chaville - Vélizy
Arrival
Scheduled time23:19
Predicted by the source23:18(-1′)
Departure
Scheduled time23:19
Predicted by the source23:19(0′)
Viroflay Rive Gauche
Arrival
Scheduled time23:21
Predicted by the source23:20(-1′)
Departure
Scheduled time23:22
Predicted by the source23:21(-1′)
Versailles Chantiers
Arrival
Scheduled time23:26
Predicted by the source23:24(-2′)
Departure
Scheduled time23:27
Predicted by the source23:26(-1′)
Saint-Cyr
Arrival
Scheduled time23:32
Predicted by the source23:31(-1′)
Departure
Scheduled time23:32
Predicted by the source23:32(0′)
Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux
Arrival
Scheduled time23:36
Predicted by the source23:35(-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.

runs reported on time100%

average delay+0.5 min

max delay+5 min

runs reported8

stops30

Delay values

DateDelay (min)

2026-08-260

2026-08-270.0625

2026-08-280.125

2026-09-040.125

2026-09-07-0.3

2026-09-080.23076923076923078

2026-09-093.1

2026-09-100.9333333333333333

Typical schedule

Stops and times of RER 148488-148489 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—21:41

Étampes21:4521:46

Étréchy21:5121:52

Chamarande21:5521:55

Lardy21:5821:59

Bouray22:0122:02

Marolles-en-Hurepoix22:0522:06

Brétigny22:1022:11

Saint-Michel-sur-Orge22:1422:15

Sainte-Geneviève-des-Bois22:1722:18

Épinay-sur-Orge22:2022:21

Savigny-sur-Orge22:2322:24

Juvisy22:2722:29

Bibliothèque François Mitterrand22:4022:41

Paris Austerlitz RER C22:4322:44

Saint-Michel Notre-Dame22:4722:48

Musée d'Orsay22:5122:52

Invalides22:5422:54

Pont de l'Alma22:5622:57

Champ de Mars - Tour Eiffel22:5822:59

Javel23:0123:02

Pont du Garigliano - Hôpital Européen Georges Pompidou23:0423:05

Issy Val de Seine23:0723:08

Issy23:1023:11

Meudon Val Fleury23:1323:14

Chaville - Vélizy23:1923:19

Viroflay Rive Gauche23:2123:22

Versailles Chantiers23:2623:27

Saint-Cyr23:3223:32

Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux23:36—

Frequently asked questions

What time does RER 148488-148489 depart?

RER 148488-148489 departs from Saint-Martin d'Étampes at 21:41 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148488-148489 make?

RER 148488-148489 connects Saint-Martin d'Étampes to Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux with 30 stops.

Is RER 148488-148489 on time?

Over the reported runs, RER 148488-148489 was reported on time 100% of runs, with an average delay of 0.5 minutes.

Other trains on this line

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

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