RER 142866

RER

DourdanChaville - Vélizy

CancelledAll 34 stops on this run are reported cancelled.

Historical average delay — home ranking

+12.9 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: 10. 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: 12
Events confirmed by the source: 0
Events predicted by the source: 0
Unknown event type: 10
Cancelled runs, excluded: 1
No usable delay, excluded: 1

Latest source timestamp: 9/10/2026, 7:56:23 AM (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

DourdanCancelled
Departure
Scheduled time07:01
Predicted by the source07:01(0′)
SermaiseCancelled
Arrival
Scheduled time07:05
Predicted by the source07:05(0′)
Departure
Scheduled time07:06
Predicted by the source07:06(0′)
Saint-ChéronCancelled
Arrival
Scheduled time07:10
Predicted by the source07:10(0′)
Departure
Scheduled time07:10
Predicted by the source07:10(0′)
Breuillet VillageCancelled
Arrival
Scheduled time07:13
Predicted by the source07:13(0′)
Departure
Scheduled time07:14
Predicted by the source07:14(0′)
Breuillet - Bruyères-le-ChâtelCancelled
Arrival
Scheduled time07:16
Predicted by the source07:16(0′)
Departure
Scheduled time07:17
Predicted by the source07:17(0′)
ÉglyCancelled
Arrival
Scheduled time07:20
Predicted by the source07:20(0′)
Departure
Scheduled time07:20
Predicted by the source07:20(0′)
ArpajonCancelled
Arrival
Scheduled time07:22
Predicted by the source07:22(0′)
Departure
Scheduled time07:23
Predicted by the source07:23(0′)
La Norville - Saint-Germain-lès-ArpajonCancelled
Arrival
Scheduled time07:25
Predicted by the source07:25(0′)
Departure
Scheduled time07:26
Predicted by the source07:26(0′)
BrétignyCancelled
Arrival
Scheduled time07:30
Predicted by the source07:30(0′)
Departure
Scheduled time07:31
Predicted by the source07:31(0′)
Saint-Michel-sur-OrgeCancelled
Arrival
Scheduled time07:34
Predicted by the source07:34(0′)
Sainte-Geneviève-des-BoisCancelled
Arrival
Scheduled time07:35
Predicted by the source07:35(0′)
Épinay-sur-OrgeCancelled
Arrival
Scheduled time07:37
Predicted by the source07:37(0′)
Departure
Scheduled time07:38
Predicted by the source07:38(0′)
Savigny-sur-OrgeCancelled
Arrival
Scheduled time07:40
Predicted by the source07:40(0′)
Departure
Scheduled time07:40
Predicted by the source07:40(0′)
JuvisyCancelled
Arrival
Scheduled time07:43
Predicted by the source07:43(0′)
Departure
Scheduled time07:44
Predicted by the source07:44(0′)
Athis-MonsCancelled
Arrival
Scheduled time07:46
Predicted by the source07:46(0′)
AblonCancelled
Arrival
Scheduled time07:47
Predicted by the source07:47(0′)
Villeneuve-le-RoiCancelled
Arrival
Scheduled time07:48
Predicted by the source07:48(0′)
Choisy-le-RoiCancelled
Arrival
Scheduled time07:50
Predicted by the source07:50(0′)
Les ArdoinesCancelled
Arrival
Scheduled time07:51
Predicted by the source07:51(0′)
Vitry-sur-SeineCancelled
Arrival
Scheduled time07:52
Predicted by the source07:52(0′)
Ivry-sur-SeineCancelled
Arrival
Scheduled time07:53
Predicted by the source07:53(0′)
Bibliothèque François MitterrandCancelled
Arrival
Scheduled time07:55
Predicted by the source07:55(0′)
Departure
Scheduled time07:56
Predicted by the source07:56(0′)
Paris Austerlitz RER CCancelled
Arrival
Scheduled time07:59
Predicted by the source07:59(0′)
Departure
Scheduled time07:59
Predicted by the source07:59(0′)
Saint-Michel Notre-DameCancelled
Arrival
Scheduled time08:02
Predicted by the source08:02(0′)
Departure
Scheduled time08:03
Predicted by the source08:03(0′)
Musée d'OrsayCancelled
Arrival
Scheduled time08:06
Predicted by the source08:06(0′)
Departure
Scheduled time08:06
Predicted by the source08:06(0′)
InvalidesCancelled
Arrival
Scheduled time08:08
Predicted by the source08:08(0′)
Departure
Scheduled time08:09
Predicted by the source08:09(0′)
Pont de l'AlmaCancelled
Arrival
Scheduled time08:10
Predicted by the source08:10(0′)
Departure
Scheduled time08:11
Predicted by the source08:11(0′)
Champ de Mars - Tour EiffelCancelled
Arrival
Scheduled time08:13
Predicted by the source08:13(0′)
Departure
Scheduled time08:13
Predicted by the source08:13(0′)
JavelCancelled
Arrival
Scheduled time08:15
Predicted by the source08:15(0′)
Departure
Scheduled time08:16
Predicted by the source08:16(0′)
Pont du Garigliano - Hôpital Européen Georges PompidouCancelled
Arrival
Scheduled time08:18
Predicted by the source08:18(0′)
Departure
Scheduled time08:18
Predicted by the source08:18(0′)
Issy Val de SeineCancelled
Arrival
Scheduled time08:20
Predicted by the source08:20(0′)
Departure
Scheduled time08:21
Predicted by the source08:21(0′)
IssyCancelled
Arrival
Scheduled time08:23
Predicted by the source08:23(0′)
Departure
Scheduled time08:24
Predicted by the source08:24(0′)
Meudon Val FleuryCancelled
Arrival
Scheduled time08:26
Predicted by the source08:26(0′)
Departure
Scheduled time08:26
Predicted by the source08:26(0′)
Chaville - VélizyCancelled
Arrival
Scheduled time08:31
Predicted by the source08:31(0′)

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 time—

average delay+18.9 min

max delay+191 min

runs reported11

cancelled runs1

stops34

Delay values

DateDelay (min)

2026-08-271.5

2026-08-288.4

2026-08-290.2222222222222222

2026-08-30-0.2222222222222222

2026-08-31182.48

2026-09-031.96

2026-09-05-0.05555555555555555

2026-09-06-0.3888888888888889

2026-09-072.28

2026-09-081.88

2026-09-099.962962962962964

Typical schedule

Stops and times of RER 142866 from Dourdan to Chaville - Vélizy on a typical weekday. Actual times may vary.

StopArrivalDeparture

Dourdan—07:01

Sermaise07:0507:06

Saint-Chéron07:1007:10

Breuillet Village07:1307:14

Breuillet - Bruyères-le-Châtel07:1607:17

Égly07:2007:20

Arpajon07:2207:23

La Norville - Saint-Germain-lès-Arpajon07:2507:26

Brétigny07:3007:31

Saint-Michel-sur-Orge07:34—

Sainte-Geneviève-des-Bois07:35—

Épinay-sur-Orge07:3707:38

Savigny-sur-Orge07:4007:40

Juvisy07:4307:44

Athis-Mons07:46—

Ablon07:47—

Villeneuve-le-Roi07:48—

Choisy-le-Roi07:50—

Les Ardoines07:51—

Vitry-sur-Seine07:52—

Ivry-sur-Seine07:53—

Bibliothèque François Mitterrand07:5507:56

Paris Austerlitz RER C07:5907:59

Saint-Michel Notre-Dame08:0208:03

Musée d'Orsay08:0608:06

Invalides08:0808:09

Pont de l'Alma08:1008:11

Champ de Mars - Tour Eiffel08:1308:13

Javel08:1508:16

Pont du Garigliano - Hôpital Européen Georges Pompidou08:1808:18

Issy Val de Seine08:2008:21

Issy08:2308:24

Meudon Val Fleury08:2608:26

Chaville - Vélizy08:31—

Frequently asked questions

What time does RER 142866 depart?

RER 142866 departs from Dourdan at 07:01 (typical schedule from reported times). Actual times may vary.

How many stops does RER 142866 make?

RER 142866 connects Dourdan to Chaville - Vélizy with 34 stops.

Is RER 142866 on time?

Over the reported runs, every run of RER 142866 was cancelled (1 run): punctuality cannot be established.

Other trains on this line

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

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