RER ZEMA81

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

Punctuality : 100% on time · average delay +0.8 min · over 8 observed days

Usually

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

Departs
10:09
Arrives
11:11
Journey time
1 h 02
Stops
24
Runs
Weekends

Stops on the latest run

24 stops passed : 15 confirmed by the source, 9 from the forecast. Latest source data: 3 h 13 ago.

Run ended according to the timetable

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

  1. Earlier stop (estimated)
    Boissy-Saint-Léger
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 10 h 37 old)
  2. Earlier stop (estimated)
    Sucy - Bonneuil
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 4 h 14 old)
  3. Earlier stop (estimated)
    La Varenne - Chennevières
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 10 old)
  4. Earlier stop (estimated)
    Champigny
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 07 old)
  5. Earlier stop (estimated)
    Le Parc de Saint-Maur
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 05 old)
  6. Earlier stop (estimated)
    Saint-Maur - Créteil
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 04 old)
  7. Earlier stop (estimated)
    Joinville-le-Pont
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 4 h 02 old)
  8. 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 h 02 old)
  9. Earlier stop (estimated)
    Fontenay-sous-Bois
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  10. 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′)
  11. Earlier stop (estimated)
    Nation
    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)
    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(-1′)
  13. 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(-1′)
  14. 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(-1′)
  15. Earlier stop (estimated)
    Charles de Gaulle - Étoile
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-1′)
  16. Earlier stop (estimated)
    La Défense
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-1′)
  17. 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′)
  18. Earlier stop (estimated)
    Nanterre Université
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  19. Earlier stop (estimated)
    Nanterre - Ville
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  20. Earlier stop (estimated)
    Rueil-Malmaison
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  21. Earlier stop (estimated)
    Chatou - Croissy
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  22. Earlier stop (estimated)
    Le Vésinet - Centre
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  23. Earlier stop (estimated)
    Le Vésinet - Le Pecq
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  24. Earlier stop (estimated)
    Saint-Germain-en-Laye
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 3 h 16 old)

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 time100%
average delay+0.8 min
max delay+13 min
runs reported8
stops24
0m3m5m10/1018/101/11
Delay values
DateDelay (min)
2026-10-100.4583333333333333
2026-10-110.2916666666666667
2026-10-170.30434782608695654
2026-10-180.9583333333333334
2026-10-240
2026-10-252.7083333333333335
2026-10-310.8260869565217391
2026-11-010.75
Historical average delay — home ranking: −0.9 min (over 8 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: 8. 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, 12:29:06 PM – 11/1/2026, 11:29:06 AM (Europe/Paris).

Runs in the window
8
Events confirmed by the source
0
Events predicted by the source
8
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 11/1/2026, 11:11:08 AM (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 ZEMA81 from Boissy-Saint-Léger to Saint-Germain-en-Laye on a typical weekday. Actual times may vary.

StopArrivalDeparture
Boissy-Saint-Léger10:0910:09
Sucy - Bonneuil10:1310:13
La Varenne - Chennevières10:1610:16
Champigny10:1810:18
Le Parc de Saint-Maur10:2010:21
Saint-Maur - Créteil10:2210:23
Joinville-le-Pont10:2510:25
Nogent-sur-Marne10:2710:27
Fontenay-sous-Bois10:2910:29
Vincennes10:3210:32
Nation10:3510:35
Gare de Lyon10:3810:38
Châtelet - Les Halles10:4110:42
Auber10:4310:44
Charles de Gaulle - Étoile10:4710:47
La Défense10:5110:52
Nanterre - Préfecture10:5410:54
Nanterre Université10:5610:56
Nanterre - Ville10:5810:58
Rueil-Malmaison11:0011:01
Chatou - Croissy11:0211:03
Le Vésinet - Centre11:0411:05
Le Vésinet - Le Pecq11:0611:07
Saint-Germain-en-Laye11:1111:11

Frequently asked questions

What time does RER ZEMA81 depart?

RER ZEMA81 departs from Boissy-Saint-Léger at 10:09 (typical schedule from reported times). Actual times may vary.

How many stops does RER ZEMA81 make?

RER ZEMA81 connects Boissy-Saint-Léger to Saint-Germain-en-Laye with 24 stops.

Is RER ZEMA81 on time?

Over the reported runs, RER ZEMA81 was reported on time 100% of runs, with an average delay of 0.8 minutes.

Other trains on this line

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

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