RER UZAR63

RER

Boissy-Saint-LégerCergy le Haut

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

Historical average delay — home ranking

+0.4 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: 7. 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: 8
Events confirmed by the source: 0
Events predicted by the source: 1
Unknown event type: 6
Cancelled runs, excluded: 0
No usable delay, excluded: 1

Latest source timestamp: 9/10/2026, 12:49:34 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 time11:30
Predicted by the source11:30(0′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time11:32
Predicted by the source11:32(0′)
Departure
Scheduled time11:32
Predicted by the source11:33(+1′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time11:35
Predicted by the source11:35(0′)
Departure
Scheduled time11:35
Predicted by the source11:36(+1′)
Champigny
Arrival
Scheduled time11:37
Predicted by the source11:37(0′)
Departure
Scheduled time11:37
Predicted by the source11:38(+1′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time11:39
Predicted by the source11:40(+1′)
Departure
Scheduled time11:40
Predicted by the source11:41(+1′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time11:41
Predicted by the source11:41(0′)
Departure
Scheduled time11:41
Predicted by the source11:43(+2′)
Joinville-le-Pont
Arrival
Scheduled time11:43
Predicted by the source11:44(+1′)
Departure
Scheduled time11:44
Predicted by the source11:45(+1′)
Nogent-sur-Marne
Arrival
Scheduled time11:46
Predicted by the source11:46(0′)
Departure
Scheduled time11:46
Predicted by the source11:47(+1′)
Fontenay-sous-Bois
Arrival
Scheduled time11:48
Predicted by the source11:48(0′)
Departure
Scheduled time11:48
Predicted by the source11:49(+1′)
Vincennes
Arrival
Scheduled time11:50
Predicted by the source11:51(+1′)
Departure
Scheduled time11:51
Predicted by the source11:52(+1′)
Nation
Arrival
Scheduled time11:53
Predicted by the source11:54(+1′)
Departure
Scheduled time11:54
Predicted by the source11:55(+1′)
Paris Gare de Lyon
Arrival
Scheduled time11:56
Predicted by the source11:56(0′)
Departure
Scheduled time11:57
Predicted by the source11:58(+1′)
Châtelet les Halles
Arrival
Scheduled time11:59
Predicted by the source12:00(+1′)
Departure
Scheduled time12:00
Predicted by the source12:02(+2′)
Auber
Arrival
Scheduled time12:02
Predicted by the source12:03(+1′)
Departure
Scheduled time12:03
Predicted by the source12:04(+1′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time12:05
Predicted by the source12:06(+1′)
Departure
Scheduled time12:06
Predicted by the source12:07(+1′)
La Grande Arche de la Défense
Arrival
Scheduled time12:09
Predicted by the source12:10(+1′)
Departure
Scheduled time12:10
Predicted by the source12:12(+2′)
Nanterre Préfecture - RER
Arrival
Scheduled time12:11
Predicted by the source12:13(+2′)
Departure
Scheduled time12:14
Predicted by the source12:15(+1′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time12:17
Predicted by the source12:19(+2′)
Departure
Scheduled time12:18
Predicted by the source12:18(0′)
Sartrouville
Arrival
Scheduled time12:21
Predicted by the source12:22(+1′)
Departure
Scheduled time12:21
Predicted by the source12:22(+1′)
Maisons-Laffitte
Arrival
Scheduled time12:23
Predicted by the source12:23(0′)
Departure
Scheduled time12:23
Predicted by the source12:24(+1′)
Achères Ville
Arrival
Scheduled time12:29
Predicted by the source12:30(+1′)
Departure
Scheduled time12:29
Predicted by the source12:30(+1′)
Conflans Fin d'Oise
Arrival
Scheduled time12:32
Predicted by the source12:33(+1′)
Departure
Scheduled time12:32
Predicted by the source12:33(+1′)
Neuville Université
Arrival
Scheduled time12:35
Predicted by the source12:36(+1′)
Departure
Scheduled time12:35
Predicted by the source12:36(+1′)
Cergy Préfecture
Arrival
Scheduled time12:38
Predicted by the source12:39(+1′)
Departure
Scheduled time12:38
Predicted by the source12:40(+2′)
Cergy Saint-Christophe
Arrival
Scheduled time12:42
Predicted by the source12:43(+1′)
Departure
Scheduled time12:42
Predicted by the source12:44(+2′)
Cergy le Haut
Arrival
Scheduled time12:45
Predicted by the source12:46(+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.

runs reported on time—

average delay+0.3 min

max delay+2 min

runs reported8

stops26

Delay values

DateDelay (min)

2026-08-270.44

2026-08-28-0.16

2026-08-310.21428571428571427

2026-09-030.038461538461538464

2026-09-07-0.2692307692307692

2026-09-080.64

2026-09-090.1

2026-09-101.1153846153846154

Typical schedule

Stops and times of RER UZAR63 from Boissy-Saint-Léger to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture

Boissy-Saint-Léger—11:30

Sucy-en-Brie - Bonneuil-sur-Marne11:3211:32

La Varenne Saint-Hilaire - Chennevières-sur-Marne11:3511:35

Champigny11:3711:37

Le Parc de Saint-Maur RER11:3911:40

Saint-Maur-des-Fossés - Créteil11:4111:41

Joinville-le-Pont11:4311:44

Nogent-sur-Marne11:4611:46

Fontenay-sous-Bois11:4811:48

Vincennes11:5011:51

Nation11:5311:54

Paris Gare de Lyon11:5611:57

Châtelet les Halles11:5912:00

Auber12:0212:03

Charles-de-Gaulle Étoile12:0512:06

La Grande Arche de la Défense12:0912:10

Nanterre Préfecture - RER12:1112:14

Houilles - Carrières-sur-Seine12:1712:18

Sartrouville12:2112:21

Maisons-Laffitte12:2312:23

Achères Ville12:2912:29

Conflans Fin d'Oise12:3212:32

Neuville Université12:3512:35

Cergy Préfecture12:3812:38

Cergy Saint-Christophe12:4212:42

Cergy le Haut12:45—

Frequently asked questions

What time does RER UZAR63 depart?

RER UZAR63 departs from Boissy-Saint-Léger at 11:30 (typical schedule from reported times). Actual times may vary.

How many stops does RER UZAR63 make?

RER UZAR63 connects Boissy-Saint-Léger to Cergy le Haut with 26 stops.

Is RER UZAR63 on time?

Not enough reported runs yet to establish punctuality.

Other trains on this line

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

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