RER UZEL63

RER

Boissy-Saint-LégerCergy le Haut

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

Historical average delay — home ranking

+3.4 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: 5. 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: 6
Events confirmed by the source: 0
Events predicted by the source: 2
Unknown event type: 3
Cancelled runs, excluded: 0
No usable delay, excluded: 1

Latest source timestamp: 9/10/2026, 8:36:20 PM (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

Boissy-Saint-Léger
Departure
Scheduled time19:11
Predicted by the source19:13(+2′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time19:13
Predicted by the source19:15(+2′)
Departure
Scheduled time19:13
Predicted by the source19:16(+3′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time19:16
Predicted by the source19:18(+2′)
Departure
Scheduled time19:16
Predicted by the source19:19(+3′)
Champigny
Arrival
Scheduled time19:18
Predicted by the source19:20(+2′)
Departure
Scheduled time19:18
Predicted by the source19:21(+3′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time19:20
Predicted by the source19:23(+3′)
Departure
Scheduled time19:21
Predicted by the source19:24(+3′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time19:22
Predicted by the source19:24(+2′)
Departure
Scheduled time19:23
Predicted by the source19:26(+3′)
Joinville-le-Pont
Arrival
Scheduled time19:25
Predicted by the source19:27(+2′)
Departure
Scheduled time19:25
Predicted by the source19:29(+4′)
Nogent-sur-Marne
Arrival
Scheduled time19:27
Predicted by the source19:30(+3′)
Departure
Scheduled time19:27
Predicted by the source19:31(+4′)
Fontenay-sous-Bois
Arrival
Scheduled time19:29
Predicted by the source19:31(+2′)
Departure
Scheduled time19:30
Predicted by the source19:33(+3′)
Vincennes
Arrival
Scheduled time19:32
Predicted by the source19:34(+2′)
Departure
Scheduled time19:33
Predicted by the source19:35(+2′)
Nation
Arrival
Scheduled time19:35
Predicted by the source19:37(+2′)
Departure
Scheduled time19:36
Predicted by the source19:38(+2′)
Paris Gare de Lyon
Arrival
Scheduled time19:38
Predicted by the source19:40(+2′)
Departure
Scheduled time19:39
Predicted by the source19:41(+2′)
Châtelet les Halles
Arrival
Scheduled time19:41
Predicted by the source19:43(+2′)
Departure
Scheduled time19:42
Predicted by the source19:44(+2′)
Auber
Arrival
Scheduled time19:44
Predicted by the source19:45(+1′)
Departure
Scheduled time19:45
Predicted by the source19:47(+2′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time19:48
Predicted by the source19:49(+1′)
Departure
Scheduled time19:48
Predicted by the source19:50(+2′)
La Grande Arche de la Défense
Arrival
Scheduled time19:52
Predicted by the source19:53(+1′)
Departure
Scheduled time19:53
Predicted by the source19:54(+1′)
Nanterre Préfecture - RER
Arrival
Scheduled time19:54
Predicted by the source19:55(+1′)
Departure
Scheduled time19:56
Predicted by the source19:58(+2′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time20:00
Predicted by the source20:01(+1′)
Departure
Scheduled time20:01
Predicted by the source20:01(0′)
Sartrouville
Arrival
Scheduled time20:03
Predicted by the source20:05(+2′)
Departure
Scheduled time20:04
Predicted by the source20:05(+1′)
Maisons-Laffitte
Arrival
Scheduled time20:05
Predicted by the source20:07(+2′)
Departure
Scheduled time20:06
Predicted by the source20:08(+2′)
Achères Ville
Arrival
Scheduled time20:12
Predicted by the source20:14(+2′)
Departure
Scheduled time20:12
Predicted by the source20:13(+1′)
Conflans Fin d'Oise
Arrival
Scheduled time20:15
Predicted by the source20:16(+1′)
Departure
Scheduled time20:15
Predicted by the source20:16(+1′)
Neuville Université
Arrival
Scheduled time20:18
Predicted by the source20:19(+1′)
Departure
Scheduled time20:18
Predicted by the source20:19(+1′)
Cergy Préfecture
Arrival
Scheduled time20:21
Predicted by the source20:23(+2′)
Departure
Scheduled time20:22
Predicted by the source20:23(+1′)
Cergy Saint-Christophe
Arrival
Scheduled time20:25
Predicted by the source20:27(+2′)
Departure
Scheduled time20:26
Predicted by the source20:27(+1′)
Cergy le Haut
Arrival
Scheduled time20:29
Predicted by the source20:29(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.

runs reported on time50%

average delay+2.3 min

max delay+13 min

runs reported6

stops26

Delay values

DateDelay (min)

2026-09-030

2026-09-045.461538461538462

2026-09-07-0.11538461538461539

2026-09-080.8461538461538461

2026-09-095.846153846153846

2026-09-101.9615384615384615

Typical schedule

Stops and times of RER UZEL63 from Boissy-Saint-Léger to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture

Boissy-Saint-Léger—19:11

Sucy-en-Brie - Bonneuil-sur-Marne19:1319:13

La Varenne Saint-Hilaire - Chennevières-sur-Marne19:1619:16

Champigny19:1819:18

Le Parc de Saint-Maur RER19:2019:21

Saint-Maur-des-Fossés - Créteil19:2219:23

Joinville-le-Pont19:2519:25

Nogent-sur-Marne19:2719:27

Fontenay-sous-Bois19:2919:30

Vincennes19:3219:33

Nation19:3519:36

Paris Gare de Lyon19:3819:39

Châtelet les Halles19:4119:42

Auber19:4419:45

Charles-de-Gaulle Étoile19:4819:48

La Grande Arche de la Défense19:5219:53

Nanterre Préfecture - RER19:5419:56

Houilles - Carrières-sur-Seine20:0020:01

Sartrouville20:0320:04

Maisons-Laffitte20:0520:06

Achères Ville20:1220:12

Conflans Fin d'Oise20:1520:15

Neuville Université20:1820:18

Cergy Préfecture20:2120:22

Cergy Saint-Christophe20:2520:26

Cergy le Haut20:29—

Frequently asked questions

What time does RER UZEL63 depart?

RER UZEL63 departs from Boissy-Saint-Léger at 19:11 (typical schedule from reported times). Actual times may vary.

How many stops does RER UZEL63 make?

RER UZEL63 connects Boissy-Saint-Léger to Cergy le Haut with 26 stops.

Is RER UZEL63 on time?

Over the reported runs, RER UZEL63 was reported on time 50% of runs, with an average delay of 2.3 minutes.

Other trains on this line

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

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