RER 148848-148849

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

+1.5 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: 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, 6:35:49 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

Dourdan La Forêt
Departure
Scheduled time16:35
Predicted by the source16:35(0′)
Dourdan
Arrival
Scheduled time16:37
Predicted by the source16:36(-1′)
Departure
Scheduled time16:37
Predicted by the source16:38(+1′)
Sermaise
Arrival
Scheduled time16:42
Predicted by the source16:41(-1′)
Departure
Scheduled time16:43
Predicted by the source16:44(+1′)
Saint-Chéron
Arrival
Scheduled time16:46
Predicted by the source16:46(0′)
Departure
Scheduled time16:47
Predicted by the source16:48(+1′)
Breuillet Village
Arrival
Scheduled time16:51
Predicted by the source16:51(0′)
Departure
Scheduled time16:52
Predicted by the source16:52(0′)
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time16:54
Predicted by the source16:54(0′)
Departure
Scheduled time16:55
Predicted by the source16:55(0′)
Égly
Arrival
Scheduled time16:58
Predicted by the source16:57(-1′)
Departure
Scheduled time16:58
Predicted by the source16:58(0′)
Arpajon
Arrival
Scheduled time17:01
Predicted by the source16:59(-2′)
Departure
Scheduled time17:02
Predicted by the source17:01(-1′)
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time17:04
Predicted by the source17:03(-1′)
Departure
Scheduled time17:05
Predicted by the source17:05(0′)
Brétigny
Arrival
Scheduled time17:10
Predicted by the source17:09(-1′)
Departure
Scheduled time17:12
Predicted by the source17:12(0′)
Saint-Michel-sur-Orge
Arrival
Scheduled time17:16
Predicted by the source17:15(-1′)
Departure
Scheduled time17:16
Predicted by the source17:16(0′)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time17:19
Predicted by the source17:18(-1′)
Departure
Scheduled time17:19
Predicted by the source17:20(+1′)
Épinay-sur-Orge
Arrival
Scheduled time17:22
Predicted by the source17:21(-1′)
Departure
Scheduled time17:22
Predicted by the source17:23(+1′)
Savigny-sur-Orge
Arrival
Scheduled time17:24
Predicted by the source17:24(0′)
Departure
Scheduled time17:25
Predicted by the source17:25(0′)
Juvisy
Arrival
Scheduled time17:28
Predicted by the source17:27(-1′)
Departure
Scheduled time17:29
Predicted by the source17:29(0′)
Bibliothèque François Mitterrand
Arrival
Scheduled time17:41
Predicted by the source17:41(0′)
Departure
Scheduled time17:42
Predicted by the source17:42(0′)
Paris Austerlitz RER C
Arrival
Scheduled time17:45
Predicted by the source17:45(0′)
Departure
Scheduled time17:46
Predicted by the source17:46(0′)
Saint-Michel Notre-Dame
Arrival
Scheduled time17:49
Predicted by the source17:50(+1′)
Departure
Scheduled time17:50
Predicted by the source17:50(0′)
Musée d'Orsay
Arrival
Scheduled time17:53
Predicted by the source17:53(0′)
Departure
Scheduled time17:53
Predicted by the source17:54(+1′)
Invalides
Arrival
Scheduled time17:55
Predicted by the source17:55(0′)
Departure
Scheduled time17:56
Predicted by the source17:56(0′)
Pont de l'Alma
Arrival
Scheduled time17:57
Predicted by the source17:58(+1′)
Departure
Scheduled time17:58
Predicted by the source17:58(0′)
Champ de Mars - Tour Eiffel
Arrival
Scheduled time17:59
Predicted by the source18:01(+2′)
Departure
Scheduled time18:00
Predicted by the source18:01(+1′)
Javel
Arrival
Scheduled time18:02
Predicted by the source18:02(0′)
Departure
Scheduled time18:03
Predicted by the source18:04(+1′)
Pont du Garigliano - Hôpital Européen Georges Pompidou
Arrival
Scheduled time18:05
Predicted by the source18:05(0′)
Departure
Scheduled time18:06
Predicted by the source18:05(-1′)
Issy Val de Seine
Arrival
Scheduled time18:08
Predicted by the source18:07(-1′)
Departure
Scheduled time18:09
Predicted by the source18:09(0′)
Issy
Arrival
Scheduled time18:11
Predicted by the source18:10(-1′)
Departure
Scheduled time18:12
Predicted by the source18:12(0′)
Meudon Val Fleury
Arrival
Scheduled time18:14
Predicted by the source18:13(-1′)
Departure
Scheduled time18:15
Predicted by the source18:15(0′)
Chaville - Vélizy
Arrival
Scheduled time18:19
Predicted by the source18:18(-1′)
Departure
Scheduled time18:20
Predicted by the source18:20(0′)
Viroflay Rive Gauche
Arrival
Scheduled time18:21
Predicted by the source18:20(-1′)
Departure
Scheduled time18:22
Predicted by the source18:22(0′)
Versailles Chantiers
Arrival
Scheduled time18:26
Predicted by the source18:25(-1′)
Departure
Scheduled time18:27
Predicted by the source18:27(0′)
Saint-Cyr
Arrival
Scheduled time18:32
Predicted by the source18:31(-1′)
Departure
Scheduled time18:32
Predicted by the source18:33(+1′)
Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux
Arrival
Scheduled time18:36
Predicted by the source18:35(-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.

Cancelled runs are excluded from the punctuality calculation.

runs reported on time50%

average delay+0.8 min

max delay+9 min

runs reported7

cancelled runs1

stops32

Delay values

DateDelay (min)

2026-08-270.8

2026-08-281.34375

2026-09-03-0.03125

2026-09-07-0.3125

2026-09-08-0.28125

2026-09-093.9375

2026-09-100.1875

Typical schedule

Stops and times of RER 148848-148849 from Dourdan la Forêt to Saint-Quentin en Yvelines - Montigny-le-Bretonneux on a typical weekday. Actual times may vary.

StopArrivalDeparture

Dourdan La Forêt—16:35

Dourdan16:3716:37

Sermaise16:4216:43

Saint-Chéron16:4616:47

Breuillet Village16:5116:52

Breuillet - Bruyères-le-Châtel16:5416:55

Égly16:5816:58

Arpajon17:0117:02

La Norville - Saint-Germain-lès-Arpajon17:0417:05

Brétigny17:1017:12

Saint-Michel-sur-Orge17:1617:16

Sainte-Geneviève-des-Bois17:1917:19

Épinay-sur-Orge17:2217:22

Savigny-sur-Orge17:2417:25

Juvisy17:2817:29

Bibliothèque François Mitterrand17:4117:42

Paris Austerlitz RER C17:4517:46

Saint-Michel Notre-Dame17:4917:50

Musée d'Orsay17:5317:53

Invalides17:5517:56

Pont de l'Alma17:5717:58

Champ de Mars - Tour Eiffel17:5918:00

Javel18:0218:03

Pont du Garigliano - Hôpital Européen Georges Pompidou18:0518:06

Issy Val de Seine18:0818:09

Issy18:1118:12

Meudon Val Fleury18:1418:15

Chaville - Vélizy18:1918:20

Viroflay Rive Gauche18:2118:22

Versailles Chantiers18:2618:27

Saint-Cyr18:3218:32

Saint-Quentin-en-Yvelines - Montigny-le-Bretonneux18:36—

Frequently asked questions

What time does RER 148848-148849 depart?

RER 148848-148849 departs from Dourdan La Forêt at 16:35 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148848-148849 make?

RER 148848-148849 connects Dourdan la Forêt to Saint-Quentin en Yvelines - Montigny-le-Bretonneux with 32 stops.

Is RER 148848-148849 on time?

Over the reported runs, RER 148848-148849 was reported on time 50% of runs, with an average delay of 0.8 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