RER NEMO20

RER

Saint-Germain-en-LayeBoissy-Saint-Léger

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

Historical average delay — home ranking

+1.3 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: 4
Events confirmed by the source: 0
Events predicted by the source: 0
Unknown event type: 3
Cancelled runs, excluded: 1
No usable delay, excluded: 0

Latest source timestamp: 9/6/2026, 10:43:31 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

Saint-Germain-en-Laye
Departure
Scheduled time21:43
Provenance unavailable21:43
Le Vésinet - Le Pecq
Arrival
Scheduled time21:46
Provenance unavailable21:46
Departure
Scheduled time21:46
Provenance unavailable21:48
Le Vésinet
Arrival
Scheduled time21:48
Provenance unavailable21:48
Departure
Scheduled time21:48
Provenance unavailable21:50
Chatou - Croissy-sur-Seine
Arrival
Scheduled time21:50
Provenance unavailable21:51
Departure
Scheduled time21:51
Provenance unavailable21:53
Rueil-Malmaison - RER
Arrival
Scheduled time21:52
Provenance unavailable21:54
Departure
Scheduled time21:52
Provenance unavailable21:55
Nanterre RER
Arrival
Scheduled time21:54
Provenance unavailable21:57
Departure
Scheduled time21:55
Provenance unavailable21:58
Nanterre Université - RER
Arrival
Scheduled time21:57
Provenance unavailable21:59
Departure
Scheduled time21:57
Provenance unavailable22:00
Nanterre Préfecture - RER
Arrival
Scheduled time21:59
Provenance unavailable22:01
Departure
Scheduled time21:59
Provenance unavailable22:03
La Grande Arche de la Défense
Arrival
Scheduled time22:01
Provenance unavailable22:04
Departure
Scheduled time22:01
Provenance unavailable22:05
Charles-de-Gaulle Étoile
Arrival
Scheduled time22:05
Provenance unavailable22:08
Departure
Scheduled time22:06
Provenance unavailable22:09
Auber
Arrival
Scheduled time22:08
Provenance unavailable22:11
Departure
Scheduled time22:09
Provenance unavailable22:13
Châtelet les Halles
Arrival
Scheduled time22:11
Provenance unavailable22:14
Departure
Scheduled time22:12
Provenance unavailable22:16
Paris Gare de Lyon
Arrival
Scheduled time22:14
Provenance unavailable22:18
Departure
Scheduled time22:15
Provenance unavailable22:19
Nation
Arrival
Scheduled time22:17
Provenance unavailable22:20
Departure
Scheduled time22:18
Provenance unavailable22:21
Vincennes
Arrival
Scheduled time22:20
Provenance unavailable22:23
Departure
Scheduled time22:21
Provenance unavailable22:24
Fontenay-sous-Bois
Arrival
Scheduled time22:23
Provenance unavailable22:26
Departure
Scheduled time22:24
Provenance unavailable22:27
Nogent-sur-Marne
Arrival
Scheduled time22:25
Provenance unavailable22:28
Departure
Scheduled time22:25
Provenance unavailable22:29
Joinville-le-Pont
Arrival
Scheduled time22:27
Provenance unavailable22:30
Departure
Scheduled time22:28
Provenance unavailable22:31
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time22:30
Provenance unavailable22:32
Departure
Scheduled time22:30
Provenance unavailable22:33
Le Parc de Saint-Maur RER
Arrival
Scheduled time22:31
Provenance unavailable22:34
Departure
Scheduled time22:32
Provenance unavailable22:35
Champigny
Arrival
Scheduled time22:34
Provenance unavailable22:36
Departure
Scheduled time22:34
Provenance unavailable22:38
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time22:36
Provenance unavailable22:39
Departure
Scheduled time22:36
Provenance unavailable22:40
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time22:39
Provenance unavailable22:42
Departure
Scheduled time22:39
Provenance unavailable22:43
Boissy-Saint-Léger
Arrival
Scheduled time22:42
Provenance unavailable22:45

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+1.1 min

max delay+4 min

runs reported3

cancelled runs1

stops24

Delay values

DateDelay (min)

2026-08-290.6521739130434783

2026-09-050.3333333333333333

2026-09-062.375

Typical schedule

Stops and times of RER NEMO20 from Saint-Germain-en-Laye to Boissy-Saint-Léger on a typical weekday. Actual times may vary.

StopArrivalDeparture

Saint-Germain-en-Laye—21:43

Le Vésinet - Le Pecq21:4621:46

Le Vésinet21:4821:48

Chatou - Croissy-sur-Seine21:5021:51

Rueil-Malmaison - RER21:5221:52

Nanterre RER21:5421:55

Nanterre Université - RER21:5721:57

Nanterre Préfecture - RER21:5921:59

La Grande Arche de la Défense22:0122:01

Charles-de-Gaulle Étoile22:0522:06

Auber22:0822:09

Châtelet les Halles22:1122:12

Paris Gare de Lyon22:1422:15

Nation22:1722:18

Vincennes22:2022:21

Fontenay-sous-Bois22:2322:24

Nogent-sur-Marne22:2522:25

Joinville-le-Pont22:2722:28

Saint-Maur-des-Fossés - Créteil22:3022:30

Le Parc de Saint-Maur RER22:3122:32

Champigny22:3422:34

La Varenne Saint-Hilaire - Chennevières-sur-Marne22:3622:36

Sucy-en-Brie - Bonneuil-sur-Marne22:3922:39

Boissy-Saint-Léger22:42—

Frequently asked questions

What time does RER NEMO20 depart?

RER NEMO20 departs from Saint-Germain-en-Laye at 21:43 (typical schedule from reported times). Actual times may vary.

How many stops does RER NEMO20 make?

RER NEMO20 connects Saint-Germain-en-Laye to Boissy-Saint-Léger with 24 stops.

Is RER NEMO20 on time?

Over the reported runs, every run of RER NEMO20 was cancelled (1 run): 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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