RER ZEMA77

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 +0.6 min · over 8 observed days

Usually

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

Departs
09:49
Arrives
10:51
Journey time
1 h 02
Stops
24
Runs
Weekends

Stops on the latest run

24 stops passed : 10 confirmed by the source, 14 from the forecast. Latest source data: 3 h 26 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 33 old)
  2. Earlier stop (estimated)
    Sucy - Bonneuil
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  3. Earlier stop (estimated)
    La Varenne - Chennevières
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 4 h 26 old)
  4. Earlier stop (estimated)
    Champigny
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 4 h 24 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(-1′)
    Passed according to the source forecast (data 4 h 21 old)
  6. Earlier stop (estimated)
    Saint-Maur - Créteil
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 4 h 20 old)
  7. Earlier stop (estimated)
    Joinville-le-Pont
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-1′)
  8. Earlier stop (estimated)
    Nogent-sur-Marne
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 4 h 16 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(-1′)
  10. Earlier stop (estimated)
    Vincennes
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 4 h 10 old)
  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(-1′)
  12. Earlier stop (estimated)
    Gare de Lyon
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 4 h 04 old)
  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
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast (data 3 h 57 old)
  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
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 3 h 47 old)
  18. Earlier stop (estimated)
    Nanterre Université
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 3 h 43 old)
  19. Earlier stop (estimated)
    Nanterre - Ville
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  20. Earlier stop (estimated)
    Rueil-Malmaison
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  21. Earlier stop (estimated)
    Chatou - Croissy
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 3 h 35 old)
  22. Earlier stop (estimated)
    Le Vésinet - Centre
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 3 h 33 old)
  23. Earlier stop (estimated)
    Le Vésinet - Le Pecq
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  24. Earlier stop (estimated)
    Saint-Germain-en-Laye
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 3 h 29 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+0.6 min
max delay+6 min
runs reported8
stops24
0m2m5m10/1018/101/11
Delay values
DateDelay (min)
2026-10-100.2916666666666667
2026-10-110.8333333333333334
2026-10-170.34782608695652173
2026-10-180.4583333333333333
2026-10-240.391304347826087
2026-10-251.4583333333333333
2026-10-31-0.391304347826087
2026-11-011.7916666666666667
Historical average delay — home ranking: 0 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, 10:55:10 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 ZEMA77 from Boissy-Saint-Léger to Saint-Germain-en-Laye on a typical weekday. Actual times may vary.

StopArrivalDeparture
Boissy-Saint-Léger09:4909:49
Sucy - Bonneuil09:5309:53
La Varenne - Chennevières09:5609:56
Champigny09:5809:58
Le Parc de Saint-Maur10:0010:01
Saint-Maur - Créteil10:0210:03
Joinville-le-Pont10:0510:05
Nogent-sur-Marne10:0710:07
Fontenay-sous-Bois10:0910:09
Vincennes10:1210:12
Nation10:1510:15
Gare de Lyon10:1810:18
Châtelet - Les Halles10:2110:22
Auber10:2310:24
Charles de Gaulle - Étoile10:2710:27
La Défense10:3110:32
Nanterre - Préfecture10:3410:34
Nanterre Université10:3610:36
Nanterre - Ville10:3810:38
Rueil-Malmaison10:4010:41
Chatou - Croissy10:4210:43
Le Vésinet - Centre10:4410:45
Le Vésinet - Le Pecq10:4610:47
Saint-Germain-en-Laye10:5110:51

Frequently asked questions

What time does RER ZEMA77 depart?

RER ZEMA77 departs from Boissy-Saint-Léger at 09:49 (typical schedule from reported times). Actual times may vary.

How many stops does RER ZEMA77 make?

RER ZEMA77 connects Boissy-Saint-Léger to Saint-Germain-en-Laye with 24 stops.

Is RER ZEMA77 on time?

Over the reported runs, RER ZEMA77 was reported on time 100% of runs, with an average delay of 0.6 minutes.

Other trains on this line

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

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