RER 148852

RER

Dourdan la ForêtMusée d'Orsay

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

Historical average delay — home ranking

-0.3 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: 4. 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: 4
Events confirmed by the source: 0
Events predicted by the source: 0
Unknown event type: 4
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 9/6/2026, 6:20:31 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
Departure
Scheduled time17:07
Provenance unavailable17:08
Sermaise
Arrival
Scheduled time17:12
Provenance unavailable17:12
Departure
Scheduled time17:12
Provenance unavailable17:12
Saint-Chéron
Arrival
Scheduled time17:17
Provenance unavailable17:16
Departure
Scheduled time17:17
Provenance unavailable17:18
Breuillet Village
Arrival
Scheduled time17:21
Provenance unavailable17:20
Departure
Scheduled time17:22
Provenance unavailable17:22
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time17:25
Provenance unavailable17:24
Departure
Scheduled time17:25
Provenance unavailable17:26
Égly
Arrival
Scheduled time17:28
Provenance unavailable17:27
Departure
Scheduled time17:29
Provenance unavailable17:29
Arpajon
Arrival
Scheduled time17:31
Provenance unavailable17:31
Departure
Scheduled time17:32
Provenance unavailable17:32
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time17:35
Provenance unavailable17:34
Departure
Scheduled time17:35
Provenance unavailable17:35
Brétigny
Arrival
Scheduled time17:40
Provenance unavailable17:39
Departure
Scheduled time17:41
Provenance unavailable17:42
Saint-Michel-sur-Orge
Arrival
Scheduled time17:44
Provenance unavailable17:44
Departure
Scheduled time17:45
Provenance unavailable17:45
Sainte-Geneviève-des-Bois
Arrival
Scheduled time17:47
Provenance unavailable17:47
Departure
Scheduled time17:48
Provenance unavailable17:48
Épinay-sur-Orge
Arrival
Scheduled time17:50
Provenance unavailable17:50
Departure
Scheduled time17:51
Provenance unavailable17:51
Savigny-sur-Orge
Arrival
Scheduled time17:53
Provenance unavailable17:53
Departure
Scheduled time17:54
Provenance unavailable17:54
Juvisy
Arrival
Scheduled time17:57
Provenance unavailable17:56
Departure
Scheduled time17:59
Provenance unavailable17:59
Bibliothèque François Mitterrand
Arrival
Scheduled time18:10
Provenance unavailable18:09
Departure
Scheduled time18:11
Provenance unavailable18:10
Paris Austerlitz RER C
Arrival
Scheduled time18:13
Provenance unavailable18:12
Departure
Scheduled time18:14
Provenance unavailable18:13
Saint-Michel Notre-Dame
Arrival
Scheduled time18:17
Provenance unavailable18:17
Departure
Scheduled time18:18
Provenance unavailable18:17
Musée d'Orsay
Arrival
Scheduled time18:21
Provenance unavailable18:20

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 time—

average delay+-0.1 min

max delay+2 min

runs reported4

stops18

Delay values

DateDelay (min)

2026-08-29-0.10526315789473684

2026-08-300.4444444444444444

2026-09-05-0.3684210526315789

2026-09-06-0.5

Typical schedule

Stops and times of RER 148852 from Dourdan la Forêt to Musée d'Orsay on a typical weekday. Actual times may vary.

StopArrivalDeparture

Dourdan—17:07

Sermaise17:1217:12

Saint-Chéron17:1717:17

Breuillet Village17:2117:22

Breuillet - Bruyères-le-Châtel17:2517:25

Égly17:2817:29

Arpajon17:3117:32

La Norville - Saint-Germain-lès-Arpajon17:3517:35

Brétigny17:4017:41

Saint-Michel-sur-Orge17:4417:45

Sainte-Geneviève-des-Bois17:4717:48

Épinay-sur-Orge17:5017:51

Savigny-sur-Orge17:5317:54

Juvisy17:5717:59

Bibliothèque François Mitterrand18:1018:11

Paris Austerlitz RER C18:1318:14

Saint-Michel Notre-Dame18:1718:18

Musée d'Orsay18:21—

Frequently asked questions

What time does RER 148852 depart?

RER 148852 departs from Dourdan at 17:07 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148852 make?

RER 148852 connects Dourdan la Forêt to Musée d'Orsay with 18 stops.

Is RER 148852 on time?

Not enough reported runs yet to establish punctuality.

Other trains on this line

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

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