RER NANI40

RER

Cergy le HautBoissy-Saint-Léger

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

Historical average delay — home ranking

+1.8 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, 6:15:15 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

Cergy le Haut
Departure
Scheduled time16:48
Predicted by the source16:55(+7′)
Cergy Saint-Christophe
Arrival
Scheduled time16:51
Predicted by the source16:57(+6′)
Departure
Scheduled time16:51
Predicted by the source16:57(+6′)
Cergy Préfecture
Arrival
Scheduled time16:54
Predicted by the source17:01(+7′)
Departure
Scheduled time16:55
Predicted by the source17:01(+6′)
Neuville Université
Arrival
Scheduled time16:58
Predicted by the source17:04(+6′)
Departure
Scheduled time16:58
Predicted by the source17:05(+7′)
Conflans Fin d'Oise
Arrival
Scheduled time17:01
Predicted by the source17:07(+6′)
Departure
Scheduled time17:01
Predicted by the source17:07(+6′)
Achères Ville
Arrival
Scheduled time17:03
Predicted by the source17:10(+7′)
Departure
Scheduled time17:04
Predicted by the source17:10(+6′)
Maisons-Laffitte
Arrival
Scheduled time17:09
Predicted by the source17:16(+7′)
Departure
Scheduled time17:10
Predicted by the source17:16(+6′)
Sartrouville
Arrival
Scheduled time17:11
Predicted by the source17:19(+8′)
Departure
Scheduled time17:12
Predicted by the source17:19(+7′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time17:15
Predicted by the source17:24(+9′)
Departure
Scheduled time17:15
Predicted by the source17:24(+9′)
Nanterre Préfecture - RER
Arrival
Scheduled time17:19
Predicted by the source17:30(+11′)
Departure
Scheduled time17:21
Predicted by the source17:30(+9′)
La Grande Arche de la Défense
Arrival
Scheduled time17:23
Predicted by the source17:32(+9′)
Departure
Scheduled time17:24
Predicted by the source17:32(+8′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time17:27
Predicted by the source17:36(+9′)
Departure
Scheduled time17:28
Predicted by the source17:37(+9′)
Auber
Arrival
Scheduled time17:31
Predicted by the source17:40(+9′)
Departure
Scheduled time17:31
Predicted by the source17:40(+9′)
Châtelet les Halles
Arrival
Scheduled time17:34
Predicted by the source17:42(+8′)
Departure
Scheduled time17:34
Predicted by the source17:43(+9′)
Paris Gare de Lyon
Arrival
Scheduled time17:37
Predicted by the source17:46(+9′)
Departure
Scheduled time17:38
Predicted by the source17:46(+8′)
Nation
Arrival
Scheduled time17:40
Predicted by the source17:49(+9′)
Departure
Scheduled time17:41
Predicted by the source17:49(+8′)
Vincennes
Arrival
Scheduled time17:43
Predicted by the source17:52(+9′)
Departure
Scheduled time17:44
Predicted by the source17:53(+9′)
Fontenay-sous-Bois
Arrival
Scheduled time17:46
Predicted by the source17:55(+9′)
Departure
Scheduled time17:47
Predicted by the source17:55(+8′)
Nogent-sur-Marne
Arrival
Scheduled time17:48
Predicted by the source17:57(+9′)
Departure
Scheduled time17:49
Predicted by the source17:57(+8′)
Joinville-le-Pont
Arrival
Scheduled time17:50
Predicted by the source17:59(+9′)
Departure
Scheduled time17:51
Predicted by the source18:00(+9′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time17:53
Predicted by the source18:02(+9′)
Departure
Scheduled time17:53
Predicted by the source18:02(+9′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time17:55
Predicted by the source18:03(+8′)
Departure
Scheduled time17:55
Predicted by the source18:04(+9′)
Champigny
Arrival
Scheduled time17:57
Predicted by the source18:06(+9′)
Departure
Scheduled time17:58
Predicted by the source18:06(+8′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time17:59
Predicted by the source18:08(+9′)
Departure
Scheduled time18:00
Predicted by the source18:08(+8′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time18:03
Predicted by the source18:11(+8′)
Departure
Scheduled time18:03
Predicted by the source18:12(+9′)
Boissy-Saint-Léger
Arrival
Scheduled time18:06
Predicted by the source18:15(+9′)

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+1.4 min

max delay+9 min

runs reported6

stops26

Delay values

DateDelay (min)

2026-09-030.8076923076923077

2026-09-04-0.5

2026-09-070.038461538461538464

2026-09-08-0.11538461538461539

2026-09-090.19230769230769232

2026-09-107.923076923076923

Typical schedule

Stops and times of RER NANI40 from Cergy le Haut to Boissy-Saint-Léger on a typical weekday. Actual times may vary.

StopArrivalDeparture

Cergy le Haut—16:48

Cergy Saint-Christophe16:5116:51

Cergy Préfecture16:5416:55

Neuville Université16:5816:58

Conflans Fin d'Oise17:0117:01

Achères Ville17:0317:04

Maisons-Laffitte17:0917:10

Sartrouville17:1117:12

Houilles - Carrières-sur-Seine17:1517:15

Nanterre Préfecture - RER17:1917:21

La Grande Arche de la Défense17:2317:24

Charles-de-Gaulle Étoile17:2717:28

Auber17:3117:31

Châtelet les Halles17:3417:34

Paris Gare de Lyon17:3717:38

Nation17:4017:41

Vincennes17:4317:44

Fontenay-sous-Bois17:4617:47

Nogent-sur-Marne17:4817:49

Joinville-le-Pont17:5017:51

Saint-Maur-des-Fossés - Créteil17:5317:53

Le Parc de Saint-Maur RER17:5517:55

Champigny17:5717:58

La Varenne Saint-Hilaire - Chennevières-sur-Marne17:5918:00

Sucy-en-Brie - Bonneuil-sur-Marne18:0318:03

Boissy-Saint-Léger18:06—

Frequently asked questions

What time does RER NANI40 depart?

RER NANI40 departs from Cergy le Haut at 16:48 (typical schedule from reported times). Actual times may vary.

How many stops does RER NANI40 make?

RER NANI40 connects Cergy le Haut to Boissy-Saint-Léger with 26 stops.

Is RER NANI40 on time?

Over the reported runs, RER NANI40 was reported on time 50% of runs, with an average delay of 1.4 minutes.

Other trains on this line

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

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