RER OPUS50

RER

Cergy le HautTorcy

Passages not confirmedTimes reported by the data source. Passages are not confirmed.

Historical average delay — home ranking

+0.6 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: 11. Calculated on: 9/11/2026, 1:30:03 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, 1:30:03 AM – 9/11/2026, 1:30:03 AM (Europe/Paris).

Runs in the window: 13
Events confirmed by the source: 0
Events predicted by the source: 2
Unknown event type: 9
Cancelled runs, excluded: 1
No usable delay, excluded: 1

Latest source timestamp: 9/11/2026, 1:20:27 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

Cergy le Haut
Departure
Scheduled time00:04
Predicted by the source00:04(0′)
Cergy Saint-Christophe
Arrival
Scheduled time00:06
Predicted by the source00:06(0′)
Departure
Scheduled time00:07
Predicted by the source00:07(0′)
Cergy Préfecture
Arrival
Scheduled time00:10
Predicted by the source00:10(0′)
Departure
Scheduled time00:11
Predicted by the source00:10(-1′)
Neuville Université
Arrival
Scheduled time00:14
Predicted by the source00:14(0′)
Departure
Scheduled time00:14
Predicted by the source00:14(0′)
Conflans Fin d'Oise
Arrival
Scheduled time00:17
Predicted by the source00:17(0′)
Departure
Scheduled time00:17
Predicted by the source00:17(0′)
Achères Ville
Arrival
Scheduled time00:19
Predicted by the source00:20(+1′)
Departure
Scheduled time00:20
Predicted by the source00:20(0′)
Maisons-Laffitte
Arrival
Scheduled time00:25
Predicted by the source00:27(+2′)
Departure
Scheduled time00:26
Predicted by the source00:27(+1′)
Sartrouville
Arrival
Scheduled time00:27
Predicted by the source00:29(+2′)
Departure
Scheduled time00:28
Predicted by the source00:29(+1′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time00:30
Predicted by the source00:32(+2′)
Departure
Scheduled time00:31
Predicted by the source00:32(+1′)
Nanterre Préfecture - RER
Arrival
Scheduled time00:35
Predicted by the source00:36(+1′)
Departure
Scheduled time00:37
Predicted by the source00:38(+1′)
La Grande Arche de la Défense
Arrival
Scheduled time00:39
Predicted by the source00:39(0′)
Departure
Scheduled time00:39
Predicted by the source00:40(+1′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time00:43
Predicted by the source00:43(0′)
Departure
Scheduled time00:44
Predicted by the source00:44(0′)
Auber
Arrival
Scheduled time00:46
Predicted by the source00:46(0′)
Departure
Scheduled time00:47
Predicted by the source00:47(0′)
Châtelet les Halles
Arrival
Scheduled time00:49
Predicted by the source00:49(0′)
Departure
Scheduled time00:50
Predicted by the source00:50(0′)
Paris Gare de Lyon
Arrival
Scheduled time00:52
Predicted by the source00:52(0′)
Departure
Scheduled time00:53
Predicted by the source00:53(0′)
Nation
Arrival
Scheduled time00:55
Predicted by the source00:55(0′)
Departure
Scheduled time00:56
Predicted by the source00:56(0′)
Vincennes
Arrival
Scheduled time00:58
Predicted by the source00:58(0′)
Departure
Scheduled time00:59
Predicted by the source00:59(0′)
Val de Fontenay
Arrival
Scheduled time01:03
Predicted by the source01:02(-1′)
Departure
Scheduled time01:03
Predicted by the source01:03(0′)
Neuilly-Plaisance
Arrival
Scheduled time01:06
Predicted by the source01:05(-1′)
Departure
Scheduled time01:06
Predicted by the source01:06(0′)
Bry-sur-Marne
Arrival
Scheduled time01:07
Predicted by the source01:07(0′)
Departure
Scheduled time01:08
Predicted by the source01:08(0′)
Noisy-le-Grand - Mont d'Est
Arrival
Scheduled time01:10
Predicted by the source01:10(0′)
Departure
Scheduled time01:10
Predicted by the source01:11(+1′)
Noisy-le-Grand Champs
Arrival
Scheduled time01:13
Predicted by the source01:12(-1′)
Departure
Scheduled time01:13
Predicted by the source01:13(0′)
Noisiel
Arrival
Scheduled time01:15
Predicted by the source01:15(0′)
Departure
Scheduled time01:16
Predicted by the source01:16(0′)
Lognes
Arrival
Scheduled time01:17
Predicted by the source01:21(+4′)
Departure
Scheduled time01:18
Predicted by the source01:19(+1′)
Torcy
Arrival
Scheduled time01:20
Predicted by the source01:19(-1′)

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 time100%

average delay+0.2 min

max delay+8 min

runs reported12

cancelled runs1

stops25

Delay values

DateDelay (min)

2026-08-27-0.125

2026-08-285.041666666666667

2026-08-29-0.5833333333333334

2026-08-31-1.4583333333333333

2026-09-03-0.6666666666666666

2026-09-05-0.12

2026-09-06-0.24

2026-09-07-0.04

2026-09-080.28

2026-09-090.04

2026-09-100.32

2026-09-110.2

Typical schedule

Stops and times of RER OPUS50 from Cergy le Haut to Torcy on a typical weekday. Actual times may vary.

StopArrivalDeparture

Cergy le Haut—00:04

Cergy Saint-Christophe00:0600:07

Cergy Préfecture00:1000:11

Neuville Université00:1400:14

Conflans Fin d'Oise00:1700:17

Achères Ville00:1900:20

Maisons-Laffitte00:2500:26

Sartrouville00:2700:28

Houilles - Carrières-sur-Seine00:3000:31

Nanterre Préfecture - RER00:3500:37

La Grande Arche de la Défense00:3900:39

Charles-de-Gaulle Étoile00:4300:44

Auber00:4600:47

Châtelet les Halles00:4900:50

Paris Gare de Lyon00:5200:53

Nation00:5500:56

Vincennes00:5800:59

Val de Fontenay01:0301:03

Neuilly-Plaisance01:0601:06

Bry-sur-Marne01:0701:08

Noisy-le-Grand - Mont d'Est01:1001:10

Noisy-le-Grand Champs01:1301:13

Noisiel01:1501:16

Lognes01:1701:18

Torcy01:20—

Frequently asked questions

What time does RER OPUS50 depart?

RER OPUS50 departs from Cergy le Haut at 00:04 (typical schedule from reported times). Actual times may vary.

How many stops does RER OPUS50 make?

RER OPUS50 connects Cergy le Haut to Torcy with 25 stops.

Is RER OPUS50 on time?

Over the reported runs, RER OPUS50 was reported on time 100% of runs, with an average delay of 0.2 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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