RER ILAS27

RER
Châtelet les HallesMitry - Claye
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 100% on time · average delay +0.4 min · over 6 observed days

Usually

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

Departs
10:06 · Robinson
Arrives
11:07
Journey time
1 h 01
Stops
25
Runs
Weekends

Latest available run: these times are historical.

Stops on the latest run

25 stops passed : 14 confirmed by the source, 11 from the forecast.

  1. Robinson
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  2. Fontenay-aux-Roses
    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. Sceaux
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  4. Bourg-la-Reine
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  5. Bagneux
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  6. Arcueil - Cachan
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  7. Laplace
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  8. Gentilly
    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. Cité Universitaire
    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. Denfert-Rochereau
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  11. Port Royal
    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. Luxembourg
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  13. Saint-Michel Notre-Dame
    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. 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′)
  15. Gare du Nord
    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. La Plaine Stade de France
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  17. La Courneuve - Aubervilliers
    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. Le Bourget
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  19. Drancy
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  20. Le Blanc-Mesnil
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  21. Aulnay-sous-Bois
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  22. Sevran - Livry
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  23. Vert Galant
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  24. Villeparisis - Mitry-le-Neuf
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  25. Mitry - Claye
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Passed according to the source forecast

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+0.4 min
max delay+5 min
runs reported6
stops25
0m2m5m10/1017/1025/10
Delay values
DateDelay (min)
2026-10-100.48
2026-10-11-0.2
2026-10-171
2026-10-181
2026-10-240
2026-10-250.28
Historical average delay — home ranking: −0.5 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, 12:29:03 PM – 11/1/2026, 11:29:03 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: 10/30/2026, 4:10:23 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 ILAS27 from Châtelet les Halles to Mitry - Claye on a typical weekday. Actual times may vary.

StopArrivalDeparture
Robinson10:0610:06
Fontenay-aux-Roses10:0810:08
Sceaux10:0910:10
Bourg-la-Reine10:1110:12
Bagneux10:1410:14
Arcueil - Cachan10:1510:16
Laplace10:1710:18
Gentilly10:1910:20
Cité Universitaire10:2110:21
Denfert-Rochereau10:2310:24
Port Royal10:2510:26
Luxembourg10:2710:27
Saint-Michel Notre-Dame10:2910:30
Châtelet - Les Halles10:3110:32
Gare du Nord10:3510:36
La Plaine Stade de France10:4010:41
La Courneuve - Aubervilliers10:4310:43
Le Bourget10:4610:46
Drancy10:4910:49
Le Blanc-Mesnil10:5110:51
Aulnay-sous-Bois10:5310:54
Sevran - Livry10:5710:57
Vert Galant11:0011:00
Villeparisis - Mitry-le-Neuf11:0311:03
Mitry - Claye11:0711:07

Frequently asked questions

What time does RER ILAS27 depart?

RER ILAS27 departs from Robinson at 10:06 (typical schedule from reported times). Actual times may vary.

How many stops does RER ILAS27 make?

RER ILAS27 connects Châtelet les Halles to Mitry - Claye with 25 stops.

Is RER ILAS27 on time?

Over the reported runs, RER ILAS27 was reported on time 100% of runs, with an average delay of 0.4 minutes.

Other trains on this line

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

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