RER 148844

RER

Dourdan la ForêtMusée d'Orsay

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

Historical average delay — home ranking

+0 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, 5:20:54 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 time16:07
Provenance unavailable16:08
Sermaise
Arrival
Scheduled time16:12
Provenance unavailable16:11
Departure
Scheduled time16:12
Provenance unavailable16:12
Saint-Chéron
Arrival
Scheduled time16:17
Provenance unavailable16:16
Departure
Scheduled time16:17
Provenance unavailable16:17
Breuillet Village
Arrival
Scheduled time16:21
Provenance unavailable16:20
Departure
Scheduled time16:22
Provenance unavailable16:22
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time16:25
Provenance unavailable16:24
Departure
Scheduled time16:25
Provenance unavailable16:25
Égly
Arrival
Scheduled time16:28
Provenance unavailable16:27
Departure
Scheduled time16:29
Provenance unavailable16:29
Arpajon
Arrival
Scheduled time16:31
Provenance unavailable16:30
Departure
Scheduled time16:32
Provenance unavailable16:32
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time16:35
Provenance unavailable16:33
Departure
Scheduled time16:35
Provenance unavailable16:35
Brétigny
Arrival
Scheduled time16:40
Provenance unavailable16:39
Departure
Scheduled time16:41
Provenance unavailable16:41
Saint-Michel-sur-Orge
Arrival
Scheduled time16:44
Provenance unavailable16:43
Departure
Scheduled time16:45
Provenance unavailable16:45
Sainte-Geneviève-des-Bois
Arrival
Scheduled time16:47
Provenance unavailable16:46
Departure
Scheduled time16:48
Provenance unavailable16:48
Épinay-sur-Orge
Arrival
Scheduled time16:50
Provenance unavailable16:50
Departure
Scheduled time16:51
Provenance unavailable16:51
Savigny-sur-Orge
Arrival
Scheduled time16:53
Provenance unavailable16:52
Departure
Scheduled time16:54
Provenance unavailable16:54
Juvisy
Arrival
Scheduled time16:57
Provenance unavailable16:56
Departure
Scheduled time16:59
Provenance unavailable16:59
Bibliothèque François Mitterrand
Arrival
Scheduled time17:10
Provenance unavailable17:09
Departure
Scheduled time17:11
Provenance unavailable17:10
Paris Austerlitz RER C
Arrival
Scheduled time17:13
Provenance unavailable17:13
Departure
Scheduled time17:14
Provenance unavailable17:13
Saint-Michel Notre-Dame
Arrival
Scheduled time17:17
Provenance unavailable17:17
Departure
Scheduled time17:18
Provenance unavailable17:17
Musée d'Orsay
Arrival
Scheduled time17:21
Provenance unavailable17:20

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+-0.4 min

max delay+1 min

runs reported4

stops18

Delay values

DateDelay (min)

2026-08-29-0.15789473684210525

2026-08-30-0.4444444444444444

2026-09-05-0.21052631578947367

2026-09-06-0.7777777777777778

Typical schedule

Stops and times of RER 148844 from Dourdan la Forêt to Musée d'Orsay on a typical weekday. Actual times may vary.

StopArrivalDeparture

Dourdan—16:07

Sermaise16:1216:12

Saint-Chéron16:1716:17

Breuillet Village16:2116:22

Breuillet - Bruyères-le-Châtel16:2516:25

Égly16:2816:29

Arpajon16:3116:32

La Norville - Saint-Germain-lès-Arpajon16:3516:35

Brétigny16:4016:41

Saint-Michel-sur-Orge16:4416:45

Sainte-Geneviève-des-Bois16:4716:48

Épinay-sur-Orge16:5016:51

Savigny-sur-Orge16:5316:54

Juvisy16:5716:59

Bibliothèque François Mitterrand17:1017:11

Paris Austerlitz RER C17:1317:14

Saint-Michel Notre-Dame17:1717:18

Musée d'Orsay17:21—

Frequently asked questions

What time does RER 148844 depart?

RER 148844 departs from Dourdan at 16:07 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148844 make?

RER 148844 connects Dourdan la Forêt to Musée d'Orsay with 18 stops.

Is RER 148844 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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