RER UZAR17

RER

Next scheduled journey — timetable: 2026-11-02

Punctuality : 95% on time · average delay +1.8 min · over 20 observed days

Usually

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

Departs
07:17
Arrives
08:38
Journey time
1 h 21
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 time95%
average delay+1.8 min
max delay+13 min
runs reported20
stops26
0m3m7m5/1016/1030/10
Delay values
DateDelay (min)
2026-10-051.1923076923076923
2026-10-060.6923076923076923
2026-10-071.4230769230769231
2026-10-082.44
2026-10-091.9615384615384615
2026-10-120.11538461538461539
2026-10-130.6538461538461539
2026-10-141.5
2026-10-150.38461538461538464
2026-10-161.6538461538461537
2026-10-193.1176470588235294
2026-10-201.4230769230769231
2026-10-211.4230769230769231
2026-10-221.3846153846153846
2026-10-236.923076923076923
2026-10-263.3076923076923075
2026-10-271.1538461538461537
2026-10-282.0384615384615383
2026-10-291.4615384615384615
2026-10-301.2307692307692308
Historical average delay — home ranking: +1.6 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, 12:29:06 PM – 11/1/2026, 11:29:06 AM (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, 8:38:02 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 UZAR17 from Boissy-Saint-Léger to Cergy le Haut on a typical weekday. Actual times may vary.

Frequently asked questions

What time does RER UZAR17 depart?

RER UZAR17 departs from Boissy-Saint-Léger at 07:17 (typical schedule from reported times). Actual times may vary.

How many stops does RER UZAR17 make?

RER UZAR17 connects Boissy-Saint-Léger to Cergy le Haut with 26 stops.

Is RER UZAR17 on time?

Over the reported runs, RER UZAR17 was reported on time 95% of runs, with an average delay of 1.8 minutes.

Other trains on this line

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

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