RER UZEL99

RER

Boissy-Saint-LégerCergy le Haut

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: 9. 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: 9
Events confirmed by the source: 0
Events predicted by the source: 2
Unknown event type: 7
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 9/11/2026, 12:51:56 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 time23:30
Predicted by the source23:30(0′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time23:32
Predicted by the source23:31(-1′)
Departure
Scheduled time23:32
Predicted by the source23:32(0′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time23:34
Predicted by the source23:34(0′)
Departure
Scheduled time23:35
Predicted by the source23:35(0′)
Champigny
Arrival
Scheduled time23:36
Predicted by the source23:36(0′)
Departure
Scheduled time23:37
Predicted by the source23:37(0′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time23:39
Predicted by the source23:39(0′)
Departure
Scheduled time23:39
Predicted by the source23:40(+1′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time23:40
Predicted by the source23:41(+1′)
Departure
Scheduled time23:41
Predicted by the source23:42(+1′)
Joinville-le-Pont
Arrival
Scheduled time23:42
Predicted by the source23:43(+1′)
Departure
Scheduled time23:43
Predicted by the source23:44(+1′)
Nogent-sur-Marne
Arrival
Scheduled time23:45
Predicted by the source23:45(0′)
Departure
Scheduled time23:45
Predicted by the source23:46(+1′)
Fontenay-sous-Bois
Arrival
Scheduled time23:46
Predicted by the source23:47(+1′)
Departure
Scheduled time23:47
Predicted by the source23:48(+1′)
Vincennes
Arrival
Scheduled time23:49
Predicted by the source23:50(+1′)
Departure
Scheduled time23:50
Predicted by the source23:51(+1′)
Nation
Arrival
Scheduled time23:52
Predicted by the source23:53(+1′)
Departure
Scheduled time23:53
Predicted by the source23:54(+1′)
Paris Gare de Lyon
Arrival
Scheduled time23:55
Predicted by the source23:56(+1′)
Departure
Scheduled time23:56
Predicted by the source23:57(+1′)
Châtelet les Halles
Arrival
Scheduled time23:58
Predicted by the source23:59(+1′)
Departure
Scheduled time23:59
Predicted by the source00:00(+1′)
Auber
Arrival
Scheduled time00:01
Predicted by the source00:02(+1′)
Departure
Scheduled time00:02
Predicted by the source00:03(+1′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time00:04
Predicted by the source00:05(+1′)
Departure
Scheduled time00:05
Predicted by the source00:06(+1′)
La Grande Arche de la Défense
Arrival
Scheduled time00:09
Predicted by the source00:09(0′)
Departure
Scheduled time00:09
Predicted by the source00:10(+1′)
Nanterre Préfecture - RER
Arrival
Scheduled time00:11
Predicted by the source00:11(0′)
Departure
Scheduled time00:13
Predicted by the source00:14(+1′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time00:17
Predicted by the source00:17(0′)
Departure
Scheduled time00:17
Predicted by the source00:17(0′)
Sartrouville
Arrival
Scheduled time00:20
Predicted by the source00:20(0′)
Departure
Scheduled time00:21
Predicted by the source00:21(0′)
Maisons-Laffitte
Arrival
Scheduled time00:22
Predicted by the source00:22(0′)
Departure
Scheduled time00:23
Predicted by the source00:23(0′)
Achères Ville
Arrival
Scheduled time00:28
Predicted by the source00:29(+1′)
Departure
Scheduled time00:29
Predicted by the source00:29(0′)
Conflans Fin d'Oise
Arrival
Scheduled time00:31
Predicted by the source00:31(0′)
Departure
Scheduled time00:32
Predicted by the source00:32(0′)
Neuville Université
Arrival
Scheduled time00:34
Predicted by the source00:34(0′)
Departure
Scheduled time00:35
Predicted by the source00:35(0′)
Cergy Préfecture
Arrival
Scheduled time00:37
Predicted by the source00:38(+1′)
Departure
Scheduled time00:38
Predicted by the source00:38(0′)
Cergy Saint-Christophe
Arrival
Scheduled time00:41
Predicted by the source00:42(+1′)
Departure
Scheduled time00:42
Predicted by the source00:42(0′)
Cergy le Haut
Arrival
Scheduled time00:45
Predicted by the source00:44(-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 time100%

average delay+0.9 min

max delay+14 min

runs reported9

stops26

Delay values

DateDelay (min)

2026-08-26-0.1111111111111111

2026-08-27-0.16

2026-08-283.88

2026-08-29-0.15384615384615385

2026-09-042

2026-09-070.7307692307692307

2026-09-080.46153846153846156

2026-09-090.7307692307692307

2026-09-100.46153846153846156

Typical schedule

Stops and times of RER UZEL99 from Boissy-Saint-Léger to Cergy le Haut on a typical weekday. Actual times may vary.

StopArrivalDeparture

Boissy-Saint-Léger—23:30

Sucy-en-Brie - Bonneuil-sur-Marne23:3223:32

La Varenne Saint-Hilaire - Chennevières-sur-Marne23:3423:35

Champigny23:3623:37

Le Parc de Saint-Maur RER23:3923:39

Saint-Maur-des-Fossés - Créteil23:4023:41

Joinville-le-Pont23:4223:43

Nogent-sur-Marne23:4523:45

Fontenay-sous-Bois23:4623:47

Vincennes23:4923:50

Nation23:5223:53

Paris Gare de Lyon23:5523:56

Châtelet les Halles23:5823:59

Auber00:0100:02

Charles-de-Gaulle Étoile00:0400:05

La Grande Arche de la Défense00:0900:09

Nanterre Préfecture - RER00:1100:13

Houilles - Carrières-sur-Seine00:1700:17

Sartrouville00:2000:21

Maisons-Laffitte00:2200:23

Achères Ville00:2800:29

Conflans Fin d'Oise00:3100:32

Neuville Université00:3400:35

Cergy Préfecture00:3700:38

Cergy Saint-Christophe00:4100:42

Cergy le Haut00:45—

Frequently asked questions

What time does RER UZEL99 depart?

RER UZEL99 departs from Boissy-Saint-Léger at 23:30 (typical schedule from reported times). Actual times may vary.

How many stops does RER UZEL99 make?

RER UZEL99 connects Boissy-Saint-Léger to Cergy le Haut with 26 stops.

Is RER UZEL99 on time?

Over the reported runs, RER UZEL99 was reported on time 100% of runs, with an average delay of 0.9 minutes.

Other trains on this line

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

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