RER 142861

RER

Musée d'OrsayDourdan La Forêt

Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 86% on time · average delay +1.1 min · over 7 observed days

Usually

Usual times are calculated from past runs. See the selected run’s timetable below.

Departs: 07:38
Arrives: 08:51
Journey time: 1 h 13
Stops: 19
Runs: Weekends

Stops on the latest run

19 stops passed : 8 confirmed by the source, 11 from the forecast. Latest source data: 9 h 23 ago.

Run ended according to the timetable

Estimated progress: filled dots before the next stop, a ring at the next stop, empty dots afterwards. Passages not confirmed.

Earlier stop (estimated)
Musée d'Orsay
Arrival
Scheduled time07:38
Departure
Scheduled time07:38
Predicted by the source07:38(0′)
Passed according to the source forecast (data 15 h 13 old)
Earlier stop (estimated)
Saint-Michel Notre-Dame
Arrival
Scheduled time07:41
Confirmed by the source07:41(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time07:41
Predicted by the source07:41(0′)
Earlier stop (estimated)
Gare d'Austerlitz
Arrival
Scheduled time07:44
Predicted by the source07:45(+1′)
Departure
Scheduled time07:45
Predicted by the source07:46(+1′)
Passed according to the source forecast (data 10 h 30 old)
Earlier stop (estimated)
Bibliothèque François Mitterrand
Arrival
Scheduled time07:48
Confirmed by the source07:48(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time07:50
Predicted by the source07:50(0′)
Earlier stop (estimated)
Juvisy
Arrival
Scheduled time08:01
Confirmed by the source08:02(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:02
Predicted by the source08:03(+1′)
Earlier stop (estimated)
Savigny-sur-Orge
Arrival
Scheduled time08:05
Confirmed by the source08:06(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:06
Predicted by the source08:06(+1′)
Earlier stop (estimated)
Épinay-sur-Orge
Arrival
Scheduled time08:08
Predicted by the source08:08(0′)
Departure
Scheduled time08:09
Predicted by the source08:09(0′)
Passed according to the source forecast (data 10 h 06 old)
Earlier stop (estimated)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time08:11
Confirmed by the source08:11(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:12
Predicted by the source08:12(0′)
Earlier stop (estimated)
Saint-Michel-sur-Orge
Arrival
Scheduled time08:14
Confirmed by the source08:14(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:15
Predicted by the source08:15(0′)
Earlier stop (estimated)
Brétigny
Arrival
Scheduled time08:18
Confirmed by the source08:19(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:19
Predicted by the source08:20(+1′)
Earlier stop (estimated)
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time08:22
Predicted by the source08:23(+1′)
Departure
Scheduled time08:23
Predicted by the source08:24(+1′)
Passed according to the source forecast (data 9 h 52 old)
Earlier stop (estimated)
Arpajon
Arrival
Scheduled time08:25
Predicted by the source08:26(+1′)
Departure
Scheduled time08:26
Predicted by the source08:27(+1′)
Passed according to the source forecast (data 9 h 48 old)
Earlier stop (estimated)
Égly
Arrival
Scheduled time08:28
Predicted by the source08:29(+1′)
Departure
Scheduled time08:28
Predicted by the source08:29(+1′)
Passed according to the source forecast (data 9 h 46 old)
Earlier stop (estimated)
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time08:31
Confirmed by the source08:31(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:31
Predicted by the source08:32(+1′)
Earlier stop (estimated)
Breuillet Village
Arrival
Scheduled time08:34
Predicted by the source08:34(0′)
Departure
Scheduled time08:35
Predicted by the source08:35(0′)
Passed according to the source forecast (data 9 h 40 old)
Earlier stop (estimated)
Saint-Chéron
Arrival
Scheduled time08:38
Predicted by the source08:38(0′)
Departure
Scheduled time08:39
Predicted by the source08:39(0′)
Passed according to the source forecast (data 9 h 38 old)
Earlier stop (estimated)
Sermaise
Arrival
Scheduled time08:42
Predicted by the source08:42(0′)
Departure
Scheduled time08:43
Predicted by the source08:43(0′)
Passed according to the source forecast (data 9 h 32 old)
Earlier stop (estimated)
Dourdan
Arrival
Scheduled time08:48
Predicted by the source08:47(0′)
Departure
Scheduled time08:48
Predicted by the source08:48(0′)
Passed according to the source forecast (data 9 h 28 old)
Earlier stop (estimated)
Dourdan la Forêt
Arrival
Scheduled time08:51
Predicted by the source08:51(0′)
Departure
Scheduled time08:51
Passed according to the source forecast (data 9 h 24 old)

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 time86%

average delay+1.1 min

max delay+12 min

runs reported7

cancelled runs1

stops19

Delay values

DateDelay (min)

2026-10-10-0.26666666666666666

2026-10-110.5333333333333333

2026-10-17-0.10526315789473684

2026-10-180.8947368421052632

2026-10-257

2026-10-31-0.3684210526315789

2026-11-010.05263157894736842

Historical average delay — home ranking: +1 min (over 7 runs)

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: 7. Calculated on: 11/1/2026, 9:28:19 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: 10/2/2026, 10:28:19 AM – 11/1/2026, 9:28:19 AM (Europe/Paris).

Runs in the window: 8
Events confirmed by the source: 0
Events predicted by the source: 7
Unknown event type: 0
Cancelled runs, excluded: 1
No usable delay, excluded: 0

Latest source timestamp: 11/1/2026, 8:49:58 AM (Europe/Paris).

Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.

Typical schedule

Stops and times of RER 142861 from Musée d'Orsay to Dourdan La Forêt on a typical weekday. Actual times may vary.

StopArrivalDeparture

Musée d'Orsay07:3807:38

Saint-Michel Notre-Dame07:4107:41

Gare d'Austerlitz07:4407:45

Bibliothèque François Mitterrand07:4807:50

Juvisy08:0108:02

Savigny-sur-Orge08:0508:06

Épinay-sur-Orge08:0808:09

Sainte-Geneviève-des-Bois08:1108:12

Saint-Michel-sur-Orge08:1408:15

Brétigny08:1808:19

La Norville - Saint-Germain-lès-Arpajon08:2208:23

Arpajon08:2508:26

Égly08:2808:28

Breuillet - Bruyères-le-Châtel08:3108:31

Breuillet Village08:3408:35

Saint-Chéron08:3808:39

Sermaise08:4208:43

Dourdan08:4808:48

Dourdan la Forêt08:5108:51

Frequently asked questions

What time does RER 142861 depart?

RER 142861 departs from Musée d'Orsay at 07:38 (typical schedule from reported times). Actual times may vary.

How many stops does RER 142861 make?

RER 142861 connects Musée d'Orsay to Dourdan La Forêt with 19 stops.

Is RER 142861 on time?

Over the reported runs, RER 142861 was reported on time 86% of runs, with an average delay of 1.1 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.

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