RER 148839

RER

Musée d'OrsayDourdan

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

Historical average delay — home ranking

+2.3 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, 5:56:46 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

Musée d'Orsay
Departure
Scheduled time16:38
Provenance unavailable16:38
Saint-Michel Notre-Dame
Arrival
Scheduled time16:41
Provenance unavailable16:41
Departure
Scheduled time16:41
Provenance unavailable16:41
Paris Austerlitz RER C
Arrival
Scheduled time16:44
Provenance unavailable16:45
Departure
Scheduled time16:45
Provenance unavailable16:45
Bibliothèque François Mitterrand
Arrival
Scheduled time16:48
Provenance unavailable16:48
Departure
Scheduled time16:50
Provenance unavailable16:51
Juvisy
Arrival
Scheduled time17:01
Provenance unavailable17:01
Departure
Scheduled time17:02
Provenance unavailable17:03
Savigny-sur-Orge
Arrival
Scheduled time17:05
Provenance unavailable17:06
Departure
Scheduled time17:06
Provenance unavailable17:06
Épinay-sur-Orge
Arrival
Scheduled time17:08
Provenance unavailable17:09
Departure
Scheduled time17:09
Provenance unavailable17:07
Sainte-Geneviève-des-Bois
Arrival
Scheduled time17:11
Provenance unavailable17:12
Departure
Scheduled time17:12
Provenance unavailable17:11
Saint-Michel-sur-Orge
Arrival
Scheduled time17:14
Provenance unavailable17:14
Departure
Scheduled time17:15
Provenance unavailable17:15
Brétigny
Arrival
Scheduled time17:18
Provenance unavailable17:18
Departure
Scheduled time17:19
Provenance unavailable17:18
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time17:22
Provenance unavailable17:22
Departure
Scheduled time17:23
Provenance unavailable17:23
Arpajon
Arrival
Scheduled time17:25
Provenance unavailable17:25
Departure
Scheduled time17:26
Provenance unavailable17:25
Égly
Arrival
Scheduled time17:28
Provenance unavailable17:28
Departure
Scheduled time17:28
Provenance unavailable17:28
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time17:31
Provenance unavailable17:31
Departure
Scheduled time17:31
Provenance unavailable17:31
Breuillet Village
Arrival
Scheduled time17:34
Provenance unavailable17:33
Departure
Scheduled time17:35
Provenance unavailable17:34
Saint-Chéron
Arrival
Scheduled time17:38
Provenance unavailable17:38
Departure
Scheduled time17:39
Provenance unavailable17:38
Sermaise
Arrival
Scheduled time17:42
Provenance unavailable17:48
Departure
Scheduled time17:43
Provenance unavailable17:49
Dourdan
Arrival
Scheduled time17:48
Provenance unavailable17:56

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+8 min

runs reported4

stops18

Delay values

DateDelay (min)

2026-08-290

2026-08-300.8888888888888888

2026-09-05-0.2222222222222222

2026-09-060.9444444444444444

Typical schedule

Stops and times of RER 148839 from Musée d'Orsay to Dourdan on a typical weekday. Actual times may vary.

StopArrivalDeparture

Musée d'Orsay—16:38

Saint-Michel Notre-Dame16:4116:41

Paris Austerlitz RER C16:4416:45

Bibliothèque François Mitterrand16:4816:50

Juvisy17:0117:02

Savigny-sur-Orge17:0517:06

Épinay-sur-Orge17:0817:09

Sainte-Geneviève-des-Bois17:1117:12

Saint-Michel-sur-Orge17:1417:15

Brétigny17:1817:19

La Norville - Saint-Germain-lès-Arpajon17:2217:23

Arpajon17:2517:26

Égly17:2817:28

Breuillet - Bruyères-le-Châtel17:3117:31

Breuillet Village17:3417:35

Saint-Chéron17:3817:39

Sermaise17:4217:43

Dourdan17:48—

Frequently asked questions

What time does RER 148839 depart?

RER 148839 departs from Musée d'Orsay at 16:38 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148839 make?

RER 148839 connects Musée d'Orsay to Dourdan with 18 stops.

Is RER 148839 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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