RER NAJA22

RER

Cergy le HautBoissy-Saint-Léger

CancelledAll 26 stops on this run are reported cancelled.

Historical average delay — home ranking

+0 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: 3. 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: 0
Unknown event type: 3
Cancelled runs, excluded: 2
No usable delay, excluded: 1

Latest source timestamp: 9/10/2026, 8:55:53 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

Cergy le HautCancelled
Departure
Scheduled time07:34
Predicted by the source07:34(0′)
Cergy Saint-ChristopheCancelled
Arrival
Scheduled time07:36
Predicted by the source07:36(0′)
Departure
Scheduled time07:37
Predicted by the source07:37(0′)
Cergy PréfectureCancelled
Arrival
Scheduled time07:40
Predicted by the source07:40(0′)
Departure
Scheduled time07:41
Predicted by the source07:41(0′)
Neuville UniversitéCancelled
Arrival
Scheduled time07:44
Predicted by the source07:44(0′)
Departure
Scheduled time07:44
Predicted by the source07:44(0′)
Conflans Fin d'OiseCancelled
Arrival
Scheduled time07:47
Predicted by the source07:47(0′)
Departure
Scheduled time07:48
Predicted by the source07:48(0′)
Achères VilleCancelled
Arrival
Scheduled time07:50
Predicted by the source07:50(0′)
Departure
Scheduled time07:50
Predicted by the source07:50(0′)
Maisons-LaffitteCancelled
Arrival
Scheduled time07:56
Predicted by the source07:56(0′)
Departure
Scheduled time07:56
Predicted by the source07:56(0′)
SartrouvilleCancelled
Arrival
Scheduled time07:58
Predicted by the source07:58(0′)
Departure
Scheduled time07:59
Predicted by the source07:59(0′)
Houilles - Carrières-sur-SeineCancelled
Arrival
Scheduled time08:01
Predicted by the source08:01(0′)
Departure
Scheduled time08:02
Predicted by the source08:02(0′)
Nanterre Préfecture - RERCancelled
Arrival
Scheduled time08:06
Predicted by the source08:08(+2′)
Departure
Scheduled time08:08
Predicted by the source08:08(0′)
La Grande Arche de la DéfenseCancelled
Arrival
Scheduled time08:10
Predicted by the source08:10(0′)
Departure
Scheduled time08:10
Predicted by the source08:10(0′)
Charles-de-Gaulle ÉtoileCancelled
Arrival
Scheduled time08:14
Predicted by the source08:14(0′)
Departure
Scheduled time08:15
Predicted by the source08:14(-1′)
AuberCancelled
Arrival
Scheduled time08:17
Predicted by the source08:17(0′)
Departure
Scheduled time08:18
Predicted by the source08:18(0′)
Châtelet les HallesCancelled
Arrival
Scheduled time08:20
Predicted by the source08:20(0′)
Departure
Scheduled time08:21
Predicted by the source08:20(-1′)
Paris Gare de LyonCancelled
Arrival
Scheduled time08:23
Predicted by the source08:23(0′)
Departure
Scheduled time08:24
Predicted by the source08:24(0′)
NationCancelled
Arrival
Scheduled time08:26
Predicted by the source08:26(0′)
Departure
Scheduled time08:27
Predicted by the source08:27(0′)
VincennesCancelled
Arrival
Scheduled time08:30
Predicted by the source08:30(0′)
Departure
Scheduled time08:30
Predicted by the source08:30(0′)
Fontenay-sous-BoisCancelled
Arrival
Scheduled time08:32
Predicted by the source08:32(0′)
Departure
Scheduled time08:33
Predicted by the source08:33(0′)
Nogent-sur-MarneCancelled
Arrival
Scheduled time08:34
Predicted by the source08:34(0′)
Departure
Scheduled time08:35
Predicted by the source08:35(0′)
Joinville-le-PontCancelled
Arrival
Scheduled time08:37
Predicted by the source08:37(0′)
Departure
Scheduled time08:37
Predicted by the source08:37(0′)
Saint-Maur-des-Fossés - CréteilCancelled
Arrival
Scheduled time08:39
Predicted by the source08:39(0′)
Departure
Scheduled time08:39
Predicted by the source08:39(0′)
Le Parc de Saint-Maur RERCancelled
Arrival
Scheduled time08:41
Predicted by the source08:41(0′)
Departure
Scheduled time08:41
Predicted by the source08:41(0′)
ChampignyCancelled
Arrival
Scheduled time08:43
Predicted by the source08:43(0′)
Departure
Scheduled time08:44
Predicted by the source08:43(-1′)
La Varenne Saint-Hilaire - Chennevières-sur-MarneCancelled
Arrival
Scheduled time08:45
Predicted by the source08:45(0′)
Departure
Scheduled time08:46
Predicted by the source08:46(0′)
Sucy-en-Brie - Bonneuil-sur-MarneCancelled
Arrival
Scheduled time08:49
Predicted by the source08:49(0′)
Departure
Scheduled time08:49
Predicted by the source08:49(0′)
Boissy-Saint-LégerCancelled
Arrival
Scheduled time08:52
Predicted by the source08:52(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+-0.0 min

max delay+3 min

runs reported4

cancelled runs2

stops26

Delay values

DateDelay (min)

2026-08-31-0.11538461538461539

2026-09-030.6923076923076923

2026-09-08-0.34615384615384615

2026-09-09-0.34615384615384615

Typical schedule

Stops and times of RER NAJA22 from Cergy le Haut to Boissy-Saint-Léger on a typical weekday. Actual times may vary.

StopArrivalDeparture

Cergy le Haut—07:34

Cergy Saint-Christophe07:3607:37

Cergy Préfecture07:4007:41

Neuville Université07:4407:44

Conflans Fin d'Oise07:4707:48

Achères Ville07:5007:50

Maisons-Laffitte07:5607:56

Sartrouville07:5807:59

Houilles - Carrières-sur-Seine08:0108:02

Nanterre Préfecture - RER08:0608:08

La Grande Arche de la Défense08:1008:10

Charles-de-Gaulle Étoile08:1408:15

Auber08:1708:18

Châtelet les Halles08:2008:21

Paris Gare de Lyon08:2308:24

Nation08:2608:27

Vincennes08:3008:30

Fontenay-sous-Bois08:3208:33

Nogent-sur-Marne08:3408:35

Joinville-le-Pont08:3708:37

Saint-Maur-des-Fossés - Créteil08:3908:39

Le Parc de Saint-Maur RER08:4108:41

Champigny08:4308:44

La Varenne Saint-Hilaire - Chennevières-sur-Marne08:4508:46

Sucy-en-Brie - Bonneuil-sur-Marne08:4908:49

Boissy-Saint-Léger08:52—

Frequently asked questions

What time does RER NAJA22 depart?

RER NAJA22 departs from Cergy le Haut at 07:34 (typical schedule from reported times). Actual times may vary.

How many stops does RER NAJA22 make?

RER NAJA22 connects Cergy le Haut to Boissy-Saint-Léger with 26 stops.

Is RER NAJA22 on time?

Over the reported runs, every run of RER NAJA22 was cancelled (2 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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