RER UZAR39

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: 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, 11:00:10 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

Boissy-Saint-Léger
Departure
Scheduled time09:30
Predicted by the source09:40(+10′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time09:32
Predicted by the source09:41(+9′)
Departure
Scheduled time09:32
Predicted by the source09:42(+10′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time09:35
Predicted by the source09:44(+9′)
Departure
Scheduled time09:35
Predicted by the source09:49(+14′)
Champigny
Arrival
Scheduled time09:37
Predicted by the source09:50(+13′)
Departure
Scheduled time09:37
Predicted by the source09:51(+14′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time09:39
Predicted by the source09:53(+14′)
Departure
Scheduled time09:40
Predicted by the source09:54(+14′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time09:41
Predicted by the source09:54(+13′)
Departure
Scheduled time09:41
Predicted by the source09:55(+14′)
Joinville-le-Pont
Arrival
Scheduled time09:43
Predicted by the source09:57(+14′)
Departure
Scheduled time09:44
Predicted by the source09:57(+13′)
Nogent-sur-Marne
Arrival
Scheduled time09:46
Predicted by the source09:59(+13′)
Departure
Scheduled time09:46
Predicted by the source09:59(+13′)
Fontenay-sous-Bois
Arrival
Scheduled time09:48
Predicted by the source10:01(+13′)
Departure
Scheduled time09:48
Predicted by the source10:01(+13′)
Vincennes
Arrival
Scheduled time09:50
Predicted by the source10:04(+14′)
Departure
Scheduled time09:51
Predicted by the source10:04(+13′)
Nation
Arrival
Scheduled time09:53
Predicted by the source10:07(+14′)
Departure
Scheduled time09:54
Predicted by the source10:07(+13′)
Paris Gare de Lyon
Arrival
Scheduled time09:56
Predicted by the source10:10(+14′)
Departure
Scheduled time09:57
Predicted by the source10:10(+13′)
Châtelet les Halles
Arrival
Scheduled time09:59
Predicted by the source10:13(+14′)
Departure
Scheduled time10:00
Predicted by the source10:13(+13′)
Auber
Arrival
Scheduled time10:02
Predicted by the source10:15(+13′)
Departure
Scheduled time10:03
Predicted by the source10:16(+13′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time10:05
Predicted by the source10:18(+13′)
Departure
Scheduled time10:06
Predicted by the source10:19(+13′)
La Grande Arche de la Défense
Arrival
Scheduled time10:09
Predicted by the source10:23(+14′)
Departure
Scheduled time10:10
Predicted by the source10:23(+13′)
Nanterre Préfecture - RER
Arrival
Scheduled time10:11
Predicted by the source10:25(+14′)
Departure
Scheduled time10:14
Predicted by the source10:25(+11′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time10:17
Predicted by the source10:23(+6′)
Departure
Scheduled time10:18
Predicted by the source10:23(+5′)
Sartrouville
Arrival
Scheduled time10:21
Predicted by the source10:26(+5′)
Departure
Scheduled time10:21
Predicted by the source10:27(+6′)
Maisons-Laffitte
Arrival
Scheduled time10:23
Predicted by the source10:28(+5′)
Departure
Scheduled time10:23
Predicted by the source10:29(+6′)
Achères Ville
Arrival
Scheduled time10:29
Predicted by the source10:37(+8′)
Departure
Scheduled time10:29
Predicted by the source10:36(+7′)
Conflans Fin d'Oise
Arrival
Scheduled time10:32
Predicted by the source10:39(+7′)
Departure
Scheduled time10:32
Predicted by the source10:39(+7′)
Neuville Université
Arrival
Scheduled time10:35
Predicted by the source10:42(+7′)
Departure
Scheduled time10:35
Predicted by the source10:42(+7′)
Cergy Préfecture
Arrival
Scheduled time10:38
Predicted by the source10:45(+7′)
Departure
Scheduled time10:38
Predicted by the source10:46(+8′)
Cergy Saint-Christophe
Arrival
Scheduled time10:42
Predicted by the source10:49(+7′)
Departure
Scheduled time10:42
Predicted by the source10:50(+8′)
Cergy le Haut
Arrival
Scheduled time10:45
Predicted by the source10:52(+7′)

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+3.4 min

max delay+14 min

runs reported8

stops26

Delay values

DateDelay (min)

2026-08-270.64

2026-08-282.72

2026-08-310.5

2026-09-030.8461538461538461

2026-09-077.1923076923076925

2026-09-082.08

2026-09-092.1923076923076925

2026-09-1010.692307692307692

Typical schedule

Stops and times of RER UZAR39 from Boissy-Saint-Léger to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture

Boissy-Saint-Léger—09:30

Sucy-en-Brie - Bonneuil-sur-Marne09:3209:32

La Varenne Saint-Hilaire - Chennevières-sur-Marne09:3509:35

Champigny09:3709:37

Le Parc de Saint-Maur RER09:3909:40

Saint-Maur-des-Fossés - Créteil09:4109:41

Joinville-le-Pont09:4309:44

Nogent-sur-Marne09:4609:46

Fontenay-sous-Bois09:4809:48

Vincennes09:5009:51

Nation09:5309:54

Paris Gare de Lyon09:5609:57

Châtelet les Halles09:5910:00

Auber10:0210:03

Charles-de-Gaulle Étoile10:0510:06

La Grande Arche de la Défense10:0910:10

Nanterre Préfecture - RER10:1110:14

Houilles - Carrières-sur-Seine10:1710:18

Sartrouville10:2110:21

Maisons-Laffitte10:2310:23

Achères Ville10:2910:29

Conflans Fin d'Oise10:3210:32

Neuville Université10:3510:35

Cergy Préfecture10:3810:38

Cergy Saint-Christophe10:4210:42

Cergy le Haut10:45—

Frequently asked questions

What time does RER UZAR39 depart?

RER UZAR39 departs from Boissy-Saint-Léger at 09:30 (typical schedule from reported times). Actual times may vary.

How many stops does RER UZAR39 make?

RER UZAR39 connects Boissy-Saint-Léger to Cergy le Haut with 26 stops.

Is RER UZAR39 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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