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RER 142845

RER

Musée d'OrsayDourdan

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

Punctuality : 89% on time · average delay +1.4 min · over 9 observed days

Usually

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

Departs: 05:38
Arrives: 06:48
Journey time: 1 h 10
Stops: 18
Runs: Weekends

Latest available run: these times are historical.

Stops on the latest run

18 stops passed : 9 confirmed by the source, 9 from the forecast. Latest source data: 18 h 14 ago.

Musée d'Orsay
Arrival
Scheduled time05:38
Departure
Scheduled time05:38
Predicted by the source05:38(0′)
Passed according to the source forecast (data 22 h 05 old)
Saint-Michel Notre-Dame
Arrival
Scheduled time05:41
Confirmed by the source05:41(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time05:41
Predicted by the source05:41(0′)
Gare d'Austerlitz
Arrival
Scheduled time05:44
Confirmed by the source05:45(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time05:45
Predicted by the source05:46(+1′)
Bibliothèque François Mitterrand
Arrival
Scheduled time05:48
Confirmed by the source05:48(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time05:50
Predicted by the source05:50(0′)
Juvisy
Arrival
Scheduled time06:01
Confirmed by the source06:02(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time06:02
Predicted by the source06:03(+1′)
Savigny-sur-Orge
Arrival
Scheduled time06:05
Predicted by the source06:05(0′)
Departure
Scheduled time06:06
Predicted by the source06:06(0′)
Passed according to the source forecast (data 19 h 03 old)
Épinay-sur-Orge
Arrival
Scheduled time06:08
Predicted by the source06:08(0′)
Departure
Scheduled time06:09
Predicted by the source06:09(0′)
Passed according to the source forecast (data 19 h 03 old)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time06:11
Confirmed by the source06:11(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time06:12
Predicted by the source06:12(0′)
Saint-Michel-sur-Orge
Arrival
Scheduled time06:14
Confirmed by the source06:15(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time06:15
Predicted by the source06:16(+1′)
Brétigny
Arrival
Scheduled time06:18
Predicted by the source06:19(+2′)
Departure
Scheduled time06:19
Predicted by the source06:20(+2′)
Passed according to the source forecast (data 18 h 48 old)
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time06:22
Confirmed by the source06:24(+2′)
Arrival reported by the source, no actual time
Departure
Scheduled time06:23
Predicted by the source06:25(+2′)
Arpajon
Arrival
Scheduled time06:25
Predicted by the source06:28(+3′)
Departure
Scheduled time06:26
Predicted by the source06:29(+3′)
Passed according to the source forecast (data 18 h 38 old)
Égly
Arrival
Scheduled time06:28
Predicted by the source06:30(+3′)
Departure
Scheduled time06:28
Predicted by the source06:31(+3′)
Passed according to the source forecast (data 18 h 36 old)
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time06:31
Predicted by the source06:34(+3′)
Departure
Scheduled time06:31
Predicted by the source06:35(+3′)
Passed according to the source forecast (data 18 h 32 old)
Breuillet Village
Arrival
Scheduled time06:34
Confirmed by the source06:37(+3′)
Arrival reported by the source, no actual time
Departure
Scheduled time06:35
Predicted by the source06:38(+3′)
Saint-Chéron
Arrival
Scheduled time06:38
Confirmed by the source06:41(+3′)
Arrival reported by the source, no actual time
Departure
Scheduled time06:39
Predicted by the source06:42(+3′)
Sermaise
Arrival
Scheduled time06:42
Predicted by the source06:45(+3′)
Departure
Scheduled time06:43
Predicted by the source06:46(+3′)
Passed according to the source forecast (data 18 h 20 old)
Dourdan
Arrival
Scheduled time06:48
Predicted by the source06:51(+3′)
Departure
Scheduled time06:48
Passed according to the source forecast (data 18 h 17 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 time89%

average delay+1.4 min

max delay+12 min

runs reported9

stops18

Delay values

DateDelay (min)

2026-10-041.2857142857142858

2026-10-101.3571428571428572

2026-10-112.2857142857142856

2026-10-170.2777777777777778

2026-10-18-0.16666666666666666

2026-10-240.1111111111111111

2026-10-256

2026-10-31-0.16666666666666666

2026-11-011.4444444444444444

Historical average delay — home ranking: +1.6 min (over 9 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: 9. Calculated on: 11/1/2026, 7:28:23 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, 8:28:23 AM – 11/1/2026, 7:28:23 AM (Europe/Paris).

Runs in the window: 10
Events confirmed by the source: 0
Events predicted by the source: 9
Unknown event type: 0
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 11/1/2026, 6:51:06 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 142845 from Musée d'Orsay to Dourdan on a typical weekday. Actual times may vary.

StopArrivalDeparture

Musée d'Orsay05:3805:38

Saint-Michel Notre-Dame05:4105:41

Gare d'Austerlitz05:4405:45

Bibliothèque François Mitterrand05:4805:50

Juvisy06:0106:02

Savigny-sur-Orge06:0506:06

Épinay-sur-Orge06:0806:09

Sainte-Geneviève-des-Bois06:1106:12

Saint-Michel-sur-Orge06:1406:15

Brétigny06:1806:19

La Norville - Saint-Germain-lès-Arpajon06:2206:23

Arpajon06:2506:26

Égly06:2806:28

Breuillet - Bruyères-le-Châtel06:3106:31

Breuillet Village06:3406:35

Saint-Chéron06:3806:39

Sermaise06:4206:43

Dourdan06:4806:48

Frequently asked questions

What time does RER 142845 depart?

RER 142845 departs from Musée d'Orsay at 05:38 (typical schedule from reported times). Actual times may vary.

How many stops does RER 142845 make?

RER 142845 connects Musée d'Orsay to Dourdan with 18 stops.

Is RER 142845 on time?

Over the reported runs, RER 142845 was reported on time 89% of runs, with an average delay of 1.4 minutes.

Other trains on this line

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

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