RER 148864

RER

DourdanMusée d'Orsay

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

Historical average delay — home ranking

+0.8 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, 7:50:43 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 time18:37
Provenance unavailable18:38
Sermaise
Arrival
Scheduled time18:42
Provenance unavailable18:43
Departure
Scheduled time18:42
Provenance unavailable18:43
Saint-Chéron
Arrival
Scheduled time18:47
Provenance unavailable18:47
Departure
Scheduled time18:47
Provenance unavailable18:49
Breuillet Village
Arrival
Scheduled time18:51
Provenance unavailable18:51
Departure
Scheduled time18:52
Provenance unavailable18:52
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time18:55
Provenance unavailable18:54
Departure
Scheduled time18:55
Provenance unavailable18:55
Égly
Arrival
Scheduled time18:58
Provenance unavailable18:57
Departure
Scheduled time18:59
Provenance unavailable18:58
Arpajon
Arrival
Scheduled time19:01
Provenance unavailable19:00
Departure
Scheduled time19:02
Provenance unavailable19:01
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time19:05
Provenance unavailable19:03
Departure
Scheduled time19:05
Provenance unavailable19:04
Brétigny
Arrival
Scheduled time19:10
Provenance unavailable19:08
Departure
Scheduled time19:11
Provenance unavailable19:11
Saint-Michel-sur-Orge
Arrival
Scheduled time19:14
Provenance unavailable19:14
Departure
Scheduled time19:15
Provenance unavailable19:15
Sainte-Geneviève-des-Bois
Arrival
Scheduled time19:17
Provenance unavailable19:17
Departure
Scheduled time19:18
Provenance unavailable19:18
Épinay-sur-Orge
Arrival
Scheduled time19:20
Provenance unavailable19:20
Departure
Scheduled time19:21
Provenance unavailable19:22
Savigny-sur-Orge
Arrival
Scheduled time19:23
Provenance unavailable19:23
Departure
Scheduled time19:24
Provenance unavailable19:25
Juvisy
Arrival
Scheduled time19:27
Provenance unavailable19:27
Departure
Scheduled time19:29
Provenance unavailable19:29
Bibliothèque François Mitterrand
Arrival
Scheduled time19:40
Provenance unavailable19:41
Departure
Scheduled time19:41
Provenance unavailable19:42
Paris Austerlitz RER C
Arrival
Scheduled time19:43
Provenance unavailable19:44
Departure
Scheduled time19:44
Provenance unavailable19:45
Saint-Michel Notre-Dame
Arrival
Scheduled time19:47
Provenance unavailable19:49
Departure
Scheduled time19:48
Provenance unavailable19:49
Musée d'Orsay
Arrival
Scheduled time19:51
Provenance unavailable19:53

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+-0.2 min

max delay+2 min

runs reported4

stops18

Delay values

DateDelay (min)

2026-08-29-0.2222222222222222

2026-08-30-0.2222222222222222

2026-09-05-0.2222222222222222

2026-09-060.05555555555555555

Typical schedule

Stops and times of RER 148864 from Dourdan to Musée d'Orsay on a typical weekday. Actual times may vary.

StopArrivalDeparture

Dourdan—18:37

Sermaise18:4218:42

Saint-Chéron18:4718:47

Breuillet Village18:5118:52

Breuillet - Bruyères-le-Châtel18:5518:55

Égly18:5818:59

Arpajon19:0119:02

La Norville - Saint-Germain-lès-Arpajon19:0519:05

Brétigny19:1019:11

Saint-Michel-sur-Orge19:1419:15

Sainte-Geneviève-des-Bois19:1719:18

Épinay-sur-Orge19:2019:21

Savigny-sur-Orge19:2319:24

Juvisy19:2719:29

Bibliothèque François Mitterrand19:4019:41

Paris Austerlitz RER C19:4319:44

Saint-Michel Notre-Dame19:4719:48

Musée d'Orsay19:51—

Frequently asked questions

What time does RER 148864 depart?

RER 148864 departs from Dourdan at 18:37 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148864 make?

RER 148864 connects Dourdan to Musée d'Orsay with 18 stops.

Is RER 148864 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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