RER NANI20

RER

Cergy le HautBoissy-Saint-Léger

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

Historical average delay — home ranking

+0.2 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: 8
Events confirmed by the source: 0
Events predicted by the source: 1
Unknown event type: 4
Cancelled runs, excluded: 3
No usable delay, excluded: 1

Latest source timestamp: 9/10/2026, 4:56:51 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 time15:42
Predicted by the source15:42(0′)
Cergy Saint-Christophe
Arrival
Scheduled time15:44
Predicted by the source15:44(0′)
Departure
Scheduled time15:45
Predicted by the source15:44(-1′)
Cergy Préfecture
Arrival
Scheduled time15:48
Predicted by the source15:48(0′)
Departure
Scheduled time15:49
Predicted by the source15:48(-1′)
Neuville Université
Arrival
Scheduled time15:52
Predicted by the source15:51(-1′)
Departure
Scheduled time15:52
Predicted by the source15:52(0′)
Conflans Fin d'Oise
Arrival
Scheduled time15:55
Predicted by the source15:54(-1′)
Departure
Scheduled time15:55
Predicted by the source15:54(-1′)
Achères Ville
Arrival
Scheduled time15:57
Predicted by the source15:57(0′)
Departure
Scheduled time15:58
Predicted by the source15:57(-1′)
Maisons-Laffitte
Arrival
Scheduled time16:03
Predicted by the source16:02(-1′)
Departure
Scheduled time16:04
Predicted by the source16:02(-2′)
Sartrouville
Arrival
Scheduled time16:05
Predicted by the source16:05(0′)
Departure
Scheduled time16:06
Predicted by the source16:05(-1′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time16:08
Predicted by the source16:08(0′)
Departure
Scheduled time16:09
Predicted by the source16:08(-1′)
Nanterre Préfecture - RER
Arrival
Scheduled time16:13
Predicted by the source16:14(+1′)
Departure
Scheduled time16:15
Predicted by the source16:17(+2′)
La Grande Arche de la Défense
Arrival
Scheduled time16:17
Predicted by the source16:18(+1′)
Departure
Scheduled time16:18
Predicted by the source16:19(+1′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time16:21
Predicted by the source16:22(+1′)
Departure
Scheduled time16:22
Predicted by the source16:23(+1′)
Auber
Arrival
Scheduled time16:24
Predicted by the source16:25(+1′)
Departure
Scheduled time16:25
Predicted by the source16:26(+1′)
Châtelet les Halles
Arrival
Scheduled time16:27
Predicted by the source16:28(+1′)
Departure
Scheduled time16:28
Predicted by the source16:29(+1′)
Paris Gare de Lyon
Arrival
Scheduled time16:30
Predicted by the source16:31(+1′)
Departure
Scheduled time16:31
Predicted by the source16:32(+1′)
Nation
Arrival
Scheduled time16:33
Predicted by the source16:33(0′)
Departure
Scheduled time16:33
Predicted by the source16:34(+1′)
Vincennes
Arrival
Scheduled time16:36
Predicted by the source16:36(0′)
Departure
Scheduled time16:36
Predicted by the source16:38(+2′)
Fontenay-sous-Bois
Arrival
Scheduled time16:39
Predicted by the source16:39(0′)
Departure
Scheduled time16:39
Predicted by the source16:40(+1′)
Nogent-sur-Marne
Arrival
Scheduled time16:41
Predicted by the source16:41(0′)
Departure
Scheduled time16:41
Predicted by the source16:42(+1′)
Joinville-le-Pont
Arrival
Scheduled time16:43
Predicted by the source16:43(0′)
Departure
Scheduled time16:43
Predicted by the source16:44(+1′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time16:45
Predicted by the source16:46(+1′)
Departure
Scheduled time16:46
Predicted by the source16:47(+1′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time16:47
Predicted by the source16:47(0′)
Departure
Scheduled time16:47
Predicted by the source16:49(+2′)
Champigny
Arrival
Scheduled time16:49
Predicted by the source16:50(+1′)
Departure
Scheduled time16:50
Predicted by the source16:51(+1′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time16:51
Predicted by the source16:52(+1′)
Departure
Scheduled time16:52
Predicted by the source16:53(+1′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time16:55
Predicted by the source16:55(0′)
Departure
Scheduled time16:55
Predicted by the source16:56(+1′)
Boissy-Saint-Léger
Arrival
Scheduled time16:58
Predicted by the source16:58(0′)

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.

Cancelled runs are excluded from the punctuality calculation.

runs reported on time—

average delay+0.1 min

max delay+5 min

runs reported5

cancelled runs3

stops26

Delay values

DateDelay (min)

2026-08-28-0.72

2026-09-072.3076923076923075

2026-09-08-0.6153846153846154

2026-09-09-0.6538461538461539

2026-09-100.4230769230769231

Typical schedule

Stops and times of RER NANI20 from Cergy le Haut to Boissy-Saint-Léger on a typical weekday. Actual times may vary.

StopArrivalDeparture

Cergy le Haut—15:42

Cergy Saint-Christophe15:4415:45

Cergy Préfecture15:4815:49

Neuville Université15:5215:52

Conflans Fin d'Oise15:5515:55

Achères Ville15:5715:58

Maisons-Laffitte16:0316:04

Sartrouville16:0516:06

Houilles - Carrières-sur-Seine16:0816:09

Nanterre Préfecture - RER16:1316:15

La Grande Arche de la Défense16:1716:18

Charles-de-Gaulle Étoile16:2116:22

Auber16:2416:25

Châtelet les Halles16:2716:28

Paris Gare de Lyon16:3016:31

Nation16:3316:33

Vincennes16:3616:36

Fontenay-sous-Bois16:3916:39

Nogent-sur-Marne16:4116:41

Joinville-le-Pont16:4316:43

Saint-Maur-des-Fossés - Créteil16:4516:46

Le Parc de Saint-Maur RER16:4716:47

Champigny16:4916:50

La Varenne Saint-Hilaire - Chennevières-sur-Marne16:5116:52

Sucy-en-Brie - Bonneuil-sur-Marne16:5516:55

Boissy-Saint-Léger16:58—

Frequently asked questions

What time does RER NANI20 depart?

RER NANI20 departs from Cergy le Haut at 15:42 (typical schedule from reported times). Actual times may vary.

How many stops does RER NANI20 make?

RER NANI20 connects Cergy le Haut to Boissy-Saint-Léger with 26 stops.

Is RER NANI20 on time?

Over the reported runs, every run of RER NANI20 was cancelled (3 runs): punctuality cannot be established.

Other trains on this line

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

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