RER 142874

RER

DourdanMusée d'Orsay

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

Punctuality : 72% on time · average delay +3.8 min · over 28 observed days

Usually

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

Departs: 07:37
Arrives: 08:51
Journey time: 1 h 14
Stops: 18
Runs: Every day

Stops on the latest run

18 stops passed : 9 confirmed by the source, 9 from the forecast. Latest source data: 6 h 56 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)
Dourdan
Arrival
Scheduled time07:37
Departure
Scheduled time07:37
Predicted by the source07:37(0′)
Passed according to the source forecast (data 12 h 47 old)
Earlier stop (estimated)
Sermaise
Arrival
Scheduled time07:42
Confirmed by the source07:42(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time07:42
Predicted by the source07:42(0′)
Earlier stop (estimated)
Saint-Chéron
Arrival
Scheduled time07:47
Confirmed by the source07:46(-1′)
Arrival reported by the source, no actual time
Departure
Scheduled time07:47
Predicted by the source07:47(0′)
Earlier stop (estimated)
Breuillet Village
Arrival
Scheduled time07:51
Confirmed by the source07:50(-1′)
Arrival reported by the source, no actual time
Departure
Scheduled time07:52
Predicted by the source07:52(0′)
Earlier stop (estimated)
Breuillet - Bruyères-le-Châtel
Arrival
Scheduled time07:55
Predicted by the source07:55(0′)
Departure
Scheduled time07:55
Predicted by the source07:55(0′)
Passed according to the source forecast (data 7 h 55 old)
Earlier stop (estimated)
Égly
Arrival
Scheduled time07:58
Predicted by the source07:58(0′)
Departure
Scheduled time07:59
Predicted by the source07:59(0′)
Passed according to the source forecast (data 7 h 51 old)
Earlier stop (estimated)
Arpajon
Arrival
Scheduled time08:01
Confirmed by the source08:01(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:02
Predicted by the source08:02(0′)
Earlier stop (estimated)
La Norville - Saint-Germain-lès-Arpajon
Arrival
Scheduled time08:05
Confirmed by the source08:05(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:05
Predicted by the source08:05(0′)
Earlier stop (estimated)
Brétigny
Arrival
Scheduled time08:10
Confirmed by the source08:10(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:11
Predicted by the source08:11(+1′)
Earlier stop (estimated)
Saint-Michel-sur-Orge
Arrival
Scheduled time08:14
Predicted by the source08:15(+1′)
Departure
Scheduled time08:15
Predicted by the source08:15(+1′)
Passed according to the source forecast (data 7 h 35 old)
Earlier stop (estimated)
Sainte-Geneviève-des-Bois
Arrival
Scheduled time08:17
Predicted by the source08:18(+1′)
Departure
Scheduled time08:18
Predicted by the source08:18(+1′)
Passed according to the source forecast (data 7 h 30 old)
Earlier stop (estimated)
Épinay-sur-Orge
Arrival
Scheduled time08:20
Predicted by the source08:21(+1′)
Departure
Scheduled time08:21
Predicted by the source08:22(+1′)
Passed according to the source forecast (data 7 h 27 old)
Earlier stop (estimated)
Savigny-sur-Orge
Arrival
Scheduled time08:23
Predicted by the source08:22(0′)
Departure
Scheduled time08:24
Predicted by the source08:24(0′)
Passed according to the source forecast (data 7 h 26 old)
Earlier stop (estimated)
Juvisy
Arrival
Scheduled time08:27
Confirmed by the source08:28(+1′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:29
Predicted by the source08:29(0′)
Earlier stop (estimated)
Bibliothèque François Mitterrand
Arrival
Scheduled time08:40
Confirmed by the source08:40(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:41
Predicted by the source08:41(0′)
Earlier stop (estimated)
Gare d'Austerlitz
Arrival
Scheduled time08:43
Confirmed by the source08:43(0′)
Arrival reported by the source, no actual time
Departure
Scheduled time08:44
Predicted by the source08:44(0′)
Earlier stop (estimated)
Saint-Michel Notre-Dame
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 7 h 02 old)
Earlier stop (estimated)
Musée d'Orsay
Arrival
Scheduled time08:51
Predicted by the source08:51(0′)
Departure
Scheduled time08:51
Passed according to the source forecast (data 6 h 58 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 time72%

average delay+3.8 min

max delay+39 min

runs reported28

stops18

Delay values

DateDelay (min)

2026-10-051.72

2026-10-0610.96

2026-10-071.92

2026-10-082.8

2026-10-092.5925925925925926

2026-10-10-0.35714285714285715

2026-10-110.35714285714285715

2026-10-124.16

2026-10-133.24

2026-10-142.52

2026-10-152.96

2026-10-160.5

2026-10-17-0.2222222222222222

2026-10-180.6666666666666666

2026-10-194.238095238095238

2026-10-200.8571428571428571

2026-10-215.2105263157894735

2026-10-224.235294117647059

2026-10-233.56

2026-10-2424.77777777777778

2026-10-250.5555555555555556

2026-10-265.6

2026-10-2713.64

2026-10-284.92

2026-10-291.32

2026-10-302

2026-10-310.1111111111111111

2026-11-010.16666666666666666

Historical average delay — home ranking: +5.3 min (over 28 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: 28. 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: 28
Events confirmed by the source: 0
Events predicted by the source: 28
Unknown event type: 0
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 11/1/2026, 8:47:39 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 142874 from Dourdan to Musée d'Orsay on a typical weekday. Actual times may vary.

StopArrivalDeparture

Dourdan07:3707:37

Sermaise07:4207:42

Saint-Chéron07:4707:47

Breuillet Village07:5107:52

Breuillet - Bruyères-le-Châtel07:5507:55

Égly07:5807:59

Arpajon08:0108:02

La Norville - Saint-Germain-lès-Arpajon08:0508:05

Brétigny08:1008:11

Saint-Michel-sur-Orge08:1408:15

Sainte-Geneviève-des-Bois08:1708:18

Épinay-sur-Orge08:2008:21

Savigny-sur-Orge08:2308:24

Juvisy08:2708:29

Bibliothèque François Mitterrand08:4008:41

Gare d'Austerlitz08:4308:44

Saint-Michel Notre-Dame08:4708:48

Musée d'Orsay08:5108:51

Frequently asked questions

What time does RER 142874 depart?

RER 142874 departs from Dourdan at 07:37 (typical schedule from reported times). Actual times may vary.

How many stops does RER 142874 make?

RER 142874 connects Dourdan to Musée d'Orsay with 18 stops.

Is RER 142874 on time?

Over the reported runs, RER 142874 was reported on time 72% of runs, with an average delay of 3.8 minutes.

Other trains on this line

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

Back to the list