RER UZAR39

RER

Next scheduled journey — timetable: 2026-11-02

Punctuality : 74% on time · average delay +2.8 min · over 20 observed days

Usually

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

Departs
09:30
Arrives
10:45
Journey time
1 h 15
Stops
26
Runs
Monday to Friday

Next scheduled journey — timetable

  1. Boissy-Saint-LégerScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  2. Sucy - BonneuilScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  3. La Varenne - ChennevièresScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  4. ChampignyScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  5. Le Parc de Saint-MaurScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  6. Saint-Maur - CréteilScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  7. Joinville-le-PontScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  8. Nogent-sur-MarneScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  9. Fontenay-sous-BoisScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  10. VincennesScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  11. NationScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  12. Gare de LyonScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  13. Châtelet - Les HallesScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  14. AuberScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  15. Charles de Gaulle - ÉtoileScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  16. La DéfenseScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  17. Nanterre - PréfectureScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  18. Houilles - Carrières-sur-SeineScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  19. SartrouvilleScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  20. Maisons-LaffitteScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  21. Achères VilleScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  22. Conflans Fin d'OiseScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  23. Neuville - UniversitéScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  24. Cergy PréfectureScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  25. Cergy Saint-ChristopheScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  26. Cergy le HautScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time

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 time74%
average delay+2.8 min
max delay+15 min
runs reported20
stops26
0m5m9m5/1016/1030/10
Delay values
DateDelay (min)
2026-10-052.3461538461538463
2026-10-061.6923076923076923
2026-10-072.5
2026-10-081.52
2026-10-092.5
2026-10-124.8076923076923075
2026-10-132.1923076923076925
2026-10-143.3076923076923075
2026-10-152.3461538461538463
2026-10-162.1923076923076925
2026-10-199.115384615384615
2026-10-201.8076923076923077
2026-10-210.5
2026-10-221.7307692307692308
2026-10-232.769230769230769
2026-10-264.961538461538462
2026-10-273.8823529411764706
2026-10-282.0384615384615383
2026-10-290.8461538461538461
2026-10-302.8076923076923075
Historical average delay — home ranking: +4.6 min (over 20 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: 20. 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, 1:31:10 PM – 11/1/2026, 12:31:10 PM (Europe/Paris).

Runs in the window
20
Events confirmed by the source
0
Events predicted by the source
20
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 10/30/2026, 10:45:00 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 UZAR39 from Boissy-Saint-Léger to Cergy le Haut on a typical weekday. Actual times may vary.

Frequently asked questions

What time does RER UZAR39 depart?

RER UZAR39 departs from Boissy-Saint-Léger at 09:30 (typical schedule from reported times). Actual times may vary.

How many stops does RER UZAR39 make?

RER UZAR39 connects Boissy-Saint-Léger to Cergy le Haut with 26 stops.

Is RER UZAR39 on time?

Over the reported runs, RER UZAR39 was reported on time 74% of runs, with an average delay of 2.8 minutes.

Other trains on this line

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

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