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RER 142878

RER

DourdanMusée d'Orsay

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

Punctuality : 100% on time · average delay +0.2 min · over 4 observed days

Usually

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

Departs: 08:07
Arrives: 09:21
Journey time: 1 h 14
Stops: 18
Runs: Sat

Latest available run: these times are historical.

Stops on the latest run

18 stops passed : 10 confirmed by the source, 8 from the forecast. Latest source data: 43 h 42 ago.

Dourdan
Arrival
Scheduled time08:07
Departure
Scheduled time08:07
Predicted by the source08:07(0′)
Passed according to the source forecast
Sermaise
Arrival
Scheduled time08:12
Predicted by the source08:12(0′)
Departure
Scheduled time08:12
Predicted by the source08:13(0′)
Passed according to the source forecast (data 44 h 51 old)
Saint-Chéron
Arrival
Scheduled time08:17
Confirmed by the source08:17(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:17
Predicted by the source08:18(0′)
Breuillet Village
Arrival
Scheduled time08:21
Predicted by the source08:21(0′)
Departure
Scheduled time08:22
Predicted by the source08:22(0′)
Passed according to the source forecast (data 44 h 43 old)
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time08:25
Confirmed by the source08:25(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:25
Predicted by the source08:25(0′)
Égly
Arrival
Scheduled time08:28
Predicted by the source08:28(0′)
Departure
Scheduled time08:29
Predicted by the source08:29(0′)
Passed according to the source forecast (data 44 h 38 old)
Arpajon
Arrival
Scheduled time08:31
Confirmed by the source08:31(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:32
Predicted by the source08:32(0′)
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time08:35
Confirmed by the source08:35(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:35
Predicted by the source08:36(0′)
Brétigny
Arrival
Scheduled time08:40
Predicted by the source08:40(0′)
Departure
Scheduled time08:41
Predicted by the source08:41(0′)
Passed according to the source forecast (data 44 h 23 old)
Saint-Michel-sur-Orge
Arrival
Scheduled time08:44
Predicted by the source08:44(0′)
Departure
Scheduled time08:45
Predicted by the source08:45(0′)
Passed according to the source forecast (data 44 h 21 old)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time08:47
Predicted by the source08:47(0′)
Departure
Scheduled time08:48
Predicted by the source08:48(0′)
Passed according to the source forecast (data 44 h 17 old)
Épinay-sur-Orge
Arrival
Scheduled time08:50
Confirmed by the source08:50(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:51
Predicted by the source08:51(0′)
Savigny-sur-Orge
Arrival
Scheduled time08:53
Confirmed by the source08:53(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:54
Predicted by the source08:54(0′)
Juvisy
Arrival
Scheduled time08:57
Confirmed by the source08:59(+3′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:58
Predicted by the source09:00(+3′)
Bibliothèque François Mitterrand
Arrival
Scheduled time09:09
Confirmed by the source09:11(+3′)
Arrival reported by the source, no actual time
Departure
Scheduled time09:11
Predicted by the source09:12(+2′)
Gare d'Austerlitz
Arrival
Scheduled time09:13
Confirmed by the source09:14(+2′)
Arrival reported by the source, no actual time
Departure
Scheduled time09:14
Predicted by the source09:15(+2′)
Saint-Michel Notre-Dame
Arrival
Scheduled time09:17
Confirmed by the source09:19(+2′)
Arrival reported by the source, no actual time
Departure
Scheduled time09:18
Predicted by the source09:20(+2′)
Musée d'Orsay
Arrival
Scheduled time09:21
Predicted by the source09:23(+2′)
Departure
Scheduled time09:21
Passed according to the source forecast (data 43 h 42 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.

runs reported on time100%

average delay+0.2 min

max delay+2 min

runs reported4

stops18

Delay values

DateDelay (min)

2026-10-100.5714285714285714

2026-10-170.2222222222222222

2026-10-24-0.5

2026-10-310.6666666666666666

Historical average delay — home ranking: +0.3 min (over 4 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: 4. Calculated on: 11/1/2026, 11:28:21 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, 12:28:21 PM – 11/1/2026, 11:28:21 AM (Europe/Paris).

Runs in the window: 4
Events confirmed by the source: 0
Events predicted by the source: 4
Unknown event type: 0
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 10/31/2026, 9:20:54 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 142878 from Dourdan to Musée d'Orsay on a typical weekday. Actual times may vary.

StopArrivalDeparture

Dourdan08:0708:07

Sermaise08:1208:12

Saint-Chéron08:1708:17

Breuillet Village08:2108:22

Breuillet - Bruyères-le-Châtel08:2508:25

Égly08:2808:29

Arpajon08:3108:32

La Norville - Saint-Germain-lès-Arpajon08:3508:35

Brétigny08:4008:41

Saint-Michel-sur-Orge08:4408:45

Sainte-Geneviève-des-Bois08:4708:48

Épinay-sur-Orge08:5008:51

Savigny-sur-Orge08:5308:54

Juvisy08:5708:58

Bibliothèque François Mitterrand09:0909:11

Gare d'Austerlitz09:1309:14

Saint-Michel Notre-Dame09:1709:18

Musée d'Orsay09:2109:21

Frequently asked questions

What time does RER 142878 depart?

RER 142878 departs from Dourdan at 08:07 (typical schedule from reported times). Actual times may vary.

How many stops does RER 142878 make?

RER 142878 connects Dourdan to Musée d'Orsay with 18 stops.

Is RER 142878 on time?

Over the reported runs, RER 142878 was reported on time 100% of runs, with an average delay of 0.2 minutes.

Other trains on this line

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

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