RER AISY23

RER
Saint-Rémy-lès-ChevreuseGare du Nord
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 0% on time · average delay +7.4 min · over 2 observed days

Usually

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

Departs
11:03
Arrives
11:53
Journey time
50 min
Stops
21

Stops on the latest run

21 stops passed : 8 confirmed by the source, 13 from the forecast. Latest source data: 16 min 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)
    Saint-Rémy-lès-Chevreuse
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast (data 7 h 29 old)
  2. Earlier stop (estimated)
    Courcelle-sur-Yvette
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 1 h 12 old)
  3. Earlier stop (estimated)
    Gif-Sur-Yvette
    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. Earlier stop (estimated)
    La Hacquinière
    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. Earlier stop (estimated)
    Bures-sur-Yvette
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  6. Earlier stop (estimated)
    Orsay - Ville
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 1 h 01 old)
  7. Earlier stop (estimated)
    Le Guichet
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  8. Earlier stop (estimated)
    Lozère
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  9. Earlier stop (estimated)
    Palaiseau - Villebon
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 54 min old)
  10. Earlier stop (estimated)
    Palaiseau
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 52 min old)
  11. Earlier stop (estimated)
    Massy - Palaiseau
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 52 min old)
  12. Earlier stop (estimated)
    Antony
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  13. Earlier stop (estimated)
    La Croix de Berny
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  14. Earlier stop (estimated)
    Bourg-la-Reine
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 40 min old)
  15. Earlier stop (estimated)
    Cité Universitaire
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 34 min old)
  16. Earlier stop (estimated)
    Denfert-Rochereau
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 32 min old)
  17. Earlier stop (estimated)
    Port Royal
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 31 min old)
  18. Earlier stop (estimated)
    Luxembourg
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 28 min old)
  19. Earlier stop (estimated)
    Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 26 min old)
  20. Earlier stop (estimated)
    Châtelet - Les Halles
    Arrival
    Scheduled time
    Confirmed by the source(+3′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+3′)
  21. Earlier stop (estimated)
    Gare du Nord
    Arrival
    Scheduled time
    Predicted by the source(+6′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 19 min 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 time0%
average delay+7.4 min
max delay+16 min
runs reported2
stops21
0m6m12m31/101/11
Delay values
DateDelay (min)
2026-10-3112
2026-11-012.8095238095238093
Historical average delay — home ranking: +9 min (over 2 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: 2. 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, 1:01:38 PM – 11/1/2026, 12:01:38 PM (Europe/Paris).

Runs in the window
2
Events confirmed by the source
0
Events predicted by the source
2
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 11/1/2026, 11:56:58 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 AISY23 from Saint-Rémy-lès-Chevreuse to Gare du Nord on a typical weekday. Actual times may vary.

StopArrivalDeparture
Saint-Rémy-lès-Chevreuse11:0311:03
Courcelle-sur-Yvette11:0511:05
Gif-Sur-Yvette11:0811:08
La Hacquinière11:1011:10
Bures-sur-Yvette11:1111:12
Orsay - Ville11:1311:14
Le Guichet11:1511:16
Lozère11:1711:18
Palaiseau - Villebon11:2011:20
Palaiseau11:2211:22
Massy - Palaiseau11:2411:25
Antony11:2911:29
La Croix de Berny11:3111:31
Bourg-la-Reine11:3311:34
Cité Universitaire11:3911:39
Denfert-Rochereau11:4111:42
Port Royal11:4311:44
Luxembourg11:4511:45
Saint-Michel Notre-Dame11:4711:48
Châtelet - Les Halles11:4911:50
Gare du Nord11:5311:53

Frequently asked questions

What time does RER AISY23 depart?

RER AISY23 departs from Saint-Rémy-lès-Chevreuse at 11:03 (typical schedule from reported times). Actual times may vary.

How many stops does RER AISY23 make?

RER AISY23 connects Saint-Rémy-lès-Chevreuse to Gare du Nord with 21 stops.

Is RER AISY23 on time?

Over the reported runs, RER AISY23 was reported on time 0% of runs, with an average delay of 7.4 minutes.

Other trains on this line

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

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