RER ILAR31

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

Punctuality : 67% on time · average delay +3.6 min · over 6 observed days

Usually

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

Departs
18:36 · Robinson
Arrives
19:37
Journey time
1 h 01
Stops
25
Runs
Weekends

Latest available run: these times are historical.

Stops on the latest run

25 stops passed : 19 confirmed by the source, 6 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(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-1′)
  3. Sceaux
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-1′)
  4. Bourg-la-Reine
    Arrival
    Scheduled time
    Confirmed by the source(-1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-1′)
  5. Bagneux
    Arrival
    Scheduled time
    Predicted by the source(-1′)
    Departure
    Scheduled time
    Predicted by the source(-1′)
    Passed according to the source forecast
  6. Arcueil - Cachan
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  7. Laplace
    Arrival
    Scheduled time
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(0′)
  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
    Confirmed by the source(0′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(-1′)
  11. Port Royal
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  12. Luxembourg
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  13. Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  14. Châtelet - Les Halles
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  15. Gare du Nord
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  16. La Plaine Stade de France
    Arrival
    Scheduled time
    Confirmed by the source(+4′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+4′)
  17. La Courneuve - Aubervilliers
    Arrival
    Scheduled time
    Predicted by the source(+4′)
    Departure
    Scheduled time
    Predicted by the source(+4′)
    Passed according to the source forecast
  18. Le Bourget
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
    Passed according to the source forecast
  19. Drancy
    Arrival
    Scheduled time
    Confirmed by the source(+5′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+5′)
  20. Le Blanc-Mesnil
    Arrival
    Scheduled time
    Confirmed by the source(+5′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+5′)
  21. Aulnay-sous-Bois
    Arrival
    Scheduled time
    Confirmed by the source(+5′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+5′)
  22. Sevran - Livry
    Arrival
    Scheduled time
    Predicted by the source(+6′)
    Departure
    Scheduled time
    Predicted by the source(+6′)
    Passed according to the source forecast
  23. Vert Galant
    Arrival
    Scheduled time
    Confirmed by the source(+6′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+6′)
  24. Villeparisis - Mitry-le-Neuf
    Arrival
    Scheduled time
    Confirmed by the source(+7′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+7′)
  25. Mitry - Claye
    Arrival
    Scheduled time
    Predicted by the source(+7′)
    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 time67%
average delay+3.6 min
max delay+16 min
runs reported6
stops25
0m4m8m10/1017/1025/10
Delay values
DateDelay (min)
2026-10-102
2026-10-115.428571428571429
2026-10-171.6
2026-10-181.88
2026-10-248
2026-10-252.84
Historical average delay — home ranking: +3.9 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, 8:33:03 PM – 11/1/2026, 7:33:03 PM (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, 4:10:45 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 ILAR31 from Châtelet les Halles to Mitry - Claye on a typical weekday. Actual times may vary.

StopArrivalDeparture
Robinson18:3618:36
Fontenay-aux-Roses18:3818:38
Sceaux18:3918:40
Bourg-la-Reine18:4118:42
Bagneux18:4418:44
Arcueil - Cachan18:4518:46
Laplace18:4718:48
Gentilly18:4918:50
Cité Universitaire18:5118:51
Denfert-Rochereau18:5318:54
Port Royal18:5518:56
Luxembourg18:5718:57
Saint-Michel Notre-Dame18:5919:00
Châtelet - Les Halles19:0119:02
Gare du Nord19:0519:06
La Plaine Stade de France19:1019:11
La Courneuve - Aubervilliers19:1319:13
Le Bourget19:1619:16
Drancy19:1919:19
Le Blanc-Mesnil19:2119:21
Aulnay-sous-Bois19:2319:24
Sevran - Livry19:2719:27
Vert Galant19:3019:30
Villeparisis - Mitry-le-Neuf19:3319:33
Mitry - Claye19:3719:37

Frequently asked questions

What time does RER ILAR31 depart?

RER ILAR31 departs from Robinson at 18:36 (typical schedule from reported times). Actual times may vary.

How many stops does RER ILAR31 make?

RER ILAR31 connects Châtelet les Halles to Mitry - Claye with 25 stops.

Is RER ILAR31 on time?

Over the reported runs, RER ILAR31 was reported on time 67% of runs, with an average delay of 3.6 minutes.

Other trains on this line

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

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