RER NELY20

RER
Saint-Germain-en-LayeBoissy-Saint-Léger
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 86% on time · average delay +0.7 min · over 7 observed days

Usually

Usual times are calculated from past runs. See the selected run’s timetable below.

Departs
13:35
Arrives
14:37
Journey time
1 h 02
Stops
24
Runs
Weekends

Stops on the current run

17 stops passed : 9 confirmed by the source, 8 from the forecast. Latest source data: 2 min ago.

Estimated next stop: Joinville-le-Pont at 14:21

Estimated progress: filled dots before the next stop, a ring at the next stop, empty dots afterwards. Passages not confirmed.

  1. Earlier stop (estimated)
    Saint-Germain-en-Laye
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 10 h 32 old)
  2. Earlier stop (estimated)
    Le Vésinet - Le Pecq
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 44 min old)
  3. Earlier stop (estimated)
    Le Vésinet - Centre
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  4. Earlier stop (estimated)
    Chatou - Croissy
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  5. Earlier stop (estimated)
    Rueil-Malmaison
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 37 min old)
  6. Earlier stop (estimated)
    Nanterre - Ville
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  7. Earlier stop (estimated)
    Nanterre Université
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  8. Earlier stop (estimated)
    Nanterre - Préfecture
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  9. Earlier stop (estimated)
    La Défense
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 27 min old)
  10. Earlier stop (estimated)
    Charles de Gaulle - Étoile
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 25 min old)
  11. Earlier stop (estimated)
    Auber
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  12. Earlier stop (estimated)
    Châtelet - Les Halles
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  13. Earlier stop (estimated)
    Gare de Lyon
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  14. Earlier stop (estimated)
    Nation
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 11 min old)
  15. Earlier stop (estimated)
    Vincennes
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  16. Earlier stop (estimated)
    Fontenay-sous-Bois
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 9 min old)
  17. Earlier stop (estimated)
    Nogent-sur-Marne
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 min old)
  18. Next stop (estimated)
    Joinville-le-Pont
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  19. Later stop (estimated)
    Saint-Maur - Créteil
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  20. Later stop (estimated)
    Le Parc de Saint-Maur
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  21. Later stop (estimated)
    Champigny
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  22. Later stop (estimated)
    La Varenne - Chennevières
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  23. Later stop (estimated)
    Sucy - Bonneuil
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  24. Later stop (estimated)
    Boissy-Saint-Léger
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Estimated (timetable + current delay)(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.

runs reported on time86%
average delay+0.7 min
max delay+9 min
runs reported7
stops24
0m2m5m10/1018/1031/10
Delay values
DateDelay (min)
2026-10-10-0.041666666666666664
2026-10-110
2026-10-170.391304347826087
2026-10-180.25
2026-10-240.13043478260869565
2026-10-254.541666666666667
2026-10-31-0.17391304347826086
Historical average delay — home ranking: +0.3 min (over 7 runs)

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: 7. Calculated on: (Europe/Paris).

This average can be available without a complete route. The route statistics below use only recorded routes with their stops.

Calculation window: 10/2/2026, 3:14:14 PM – 11/1/2026, 2:14:14 PM (Europe/Paris).

Runs in the window
7
Events confirmed by the source
0
Events predicted by the source
7
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 10/31/2026, 2:24:10 PM (Europe/Paris).

Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.

Typical schedule

Stops and times of RER NELY20 from Saint-Germain-en-Laye to Boissy-Saint-Léger on a typical weekday. Actual times may vary.

StopArrivalDeparture
Saint-Germain-en-Laye13:3513:35
Le Vésinet - Le Pecq13:3813:38
Le Vésinet - Centre13:4013:40
Chatou - Croissy13:4213:43
Rueil-Malmaison13:4413:45
Nanterre - Ville13:4713:47
Nanterre Université13:4913:49
Nanterre - Préfecture13:5113:52
La Défense13:5313:54
Charles de Gaulle - Étoile13:5813:58
Auber14:0114:02
Châtelet - Les Halles14:0414:05
Gare de Lyon14:0714:08
Nation14:1014:11
Vincennes14:1314:14
Fontenay-sous-Bois14:1614:17
Nogent-sur-Marne14:1814:19
Joinville-le-Pont14:2114:21
Saint-Maur - Créteil14:2314:24
Le Parc de Saint-Maur14:2514:25
Champigny14:2714:28
La Varenne - Chennevières14:2914:30
Sucy - Bonneuil14:3214:33
Boissy-Saint-Léger14:3714:37

Frequently asked questions

What time does RER NELY20 depart?

RER NELY20 departs from Saint-Germain-en-Laye at 13:35 (typical schedule from reported times). Actual times may vary.

How many stops does RER NELY20 make?

RER NELY20 connects Saint-Germain-en-Laye to Boissy-Saint-Léger with 24 stops.

Is RER NELY20 on time?

Over the reported runs, RER NELY20 was reported on time 86% of runs, with an average delay of 0.7 minutes.

Other trains on this line

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

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