RER UZAR71

RER

Boissy-Saint-LégerCergy le Haut

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

Historical average delay — home ranking

+11 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: 4. 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: 5
Events confirmed by the source: 0
Events predicted by the source: 1
Unknown event type: 3
Cancelled runs, excluded: 0
No usable delay, excluded: 1

Latest source timestamp: 9/10/2026, 1:38:30 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 time12:10
Predicted by the source12:11(+1′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time12:12
Predicted by the source12:12(0′)
Departure
Scheduled time12:12
Predicted by the source12:13(+1′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time12:15
Predicted by the source12:15(0′)
Departure
Scheduled time12:15
Predicted by the source12:16(+1′)
Champigny
Arrival
Scheduled time12:17
Predicted by the source12:17(0′)
Departure
Scheduled time12:17
Predicted by the source12:18(+1′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time12:19
Predicted by the source12:19(0′)
Departure
Scheduled time12:20
Predicted by the source12:20(0′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time12:21
Predicted by the source12:21(0′)
Departure
Scheduled time12:21
Predicted by the source12:22(+1′)
Joinville-le-Pont
Arrival
Scheduled time12:23
Predicted by the source12:23(0′)
Departure
Scheduled time12:24
Predicted by the source12:25(+1′)
Nogent-sur-Marne
Arrival
Scheduled time12:26
Predicted by the source12:26(0′)
Departure
Scheduled time12:26
Predicted by the source12:29(+3′)
Fontenay-sous-Bois
Arrival
Scheduled time12:28
Predicted by the source12:30(+2′)
Departure
Scheduled time12:28
Predicted by the source12:32(+4′)
Vincennes
Arrival
Scheduled time12:30
Predicted by the source12:33(+3′)
Departure
Scheduled time12:31
Predicted by the source12:40(+9′)
Nation
Arrival
Scheduled time12:33
Predicted by the source12:49(+16′)
Departure
Scheduled time12:34
Predicted by the source12:50(+16′)
Paris Gare de Lyon
Arrival
Scheduled time12:36
Predicted by the source12:52(+16′)
Departure
Scheduled time12:37
Predicted by the source12:52(+15′)
Châtelet les Halles
Arrival
Scheduled time12:39
Predicted by the source12:55(+16′)
Departure
Scheduled time12:40
Predicted by the source12:55(+15′)
Auber
Arrival
Scheduled time12:42
Predicted by the source12:58(+16′)
Departure
Scheduled time12:43
Predicted by the source12:58(+15′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time12:45
Predicted by the source13:01(+16′)
Departure
Scheduled time12:46
Predicted by the source13:01(+15′)
La Grande Arche de la Défense
Arrival
Scheduled time12:49
Predicted by the source13:05(+16′)
Departure
Scheduled time12:50
Predicted by the source13:05(+15′)
Nanterre Préfecture - RER
Arrival
Scheduled time12:51
Predicted by the source13:07(+16′)
Departure
Scheduled time12:54
Predicted by the source13:07(+13′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time12:57
Predicted by the source13:11(+14′)
Departure
Scheduled time12:58
Predicted by the source13:11(+13′)
Sartrouville
Arrival
Scheduled time13:01
Predicted by the source13:14(+13′)
Departure
Scheduled time13:01
Predicted by the source13:15(+14′)
Maisons-Laffitte
Arrival
Scheduled time13:03
Predicted by the source13:17(+14′)
Departure
Scheduled time13:03
Predicted by the source13:17(+14′)
Achères Ville
Arrival
Scheduled time13:09
Predicted by the source13:23(+14′)
Departure
Scheduled time13:09
Predicted by the source13:23(+14′)
Conflans Fin d'Oise
Arrival
Scheduled time13:12
Predicted by the source13:26(+14′)
Departure
Scheduled time13:12
Predicted by the source13:26(+14′)
Neuville Université
Arrival
Scheduled time13:15
Predicted by the source13:29(+14′)
Departure
Scheduled time13:15
Predicted by the source13:29(+14′)
Cergy Préfecture
Arrival
Scheduled time13:18
Predicted by the source13:32(+14′)
Departure
Scheduled time13:18
Predicted by the source13:33(+15′)
Cergy Saint-Christophe
Arrival
Scheduled time13:22
Predicted by the source13:36(+14′)
Departure
Scheduled time13:22
Predicted by the source13:36(+14′)
Cergy le Haut
Arrival
Scheduled time13:25
Predicted by the source13:39(+14′)

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+3.5 min

max delay+31 min

runs reported5

stops26

Delay values

DateDelay (min)

2026-09-030.11538461538461539

2026-09-07-0.11538461538461539

2026-09-087.25

2026-09-090.34615384615384615

2026-09-109.692307692307692

Typical schedule

Stops and times of RER UZAR71 from Boissy-Saint-Léger to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture

Boissy-Saint-Léger—12:10

Sucy-en-Brie - Bonneuil-sur-Marne12:1212:12

La Varenne Saint-Hilaire - Chennevières-sur-Marne12:1512:15

Champigny12:1712:17

Le Parc de Saint-Maur RER12:1912:20

Saint-Maur-des-Fossés - Créteil12:2112:21

Joinville-le-Pont12:2312:24

Nogent-sur-Marne12:2612:26

Fontenay-sous-Bois12:2812:28

Vincennes12:3012:31

Nation12:3312:34

Paris Gare de Lyon12:3612:37

Châtelet les Halles12:3912:40

Auber12:4212:43

Charles-de-Gaulle Étoile12:4512:46

La Grande Arche de la Défense12:4912:50

Nanterre Préfecture - RER12:5112:54

Houilles - Carrières-sur-Seine12:5712:58

Sartrouville13:0113:01

Maisons-Laffitte13:0313:03

Achères Ville13:0913:09

Conflans Fin d'Oise13:1213:12

Neuville Université13:1513:15

Cergy Préfecture13:1813:18

Cergy Saint-Christophe13:2213:22

Cergy le Haut13:25—

Frequently asked questions

What time does RER UZAR71 depart?

RER UZAR71 departs from Boissy-Saint-Léger at 12:10 (typical schedule from reported times). Actual times may vary.

How many stops does RER UZAR71 make?

RER UZAR71 connects Boissy-Saint-Léger to Cergy le Haut with 26 stops.

Is RER UZAR71 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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