RER AUTO21

RER
Massy - PalaiseauParis Gare du Nord

Next scheduled journey — timetable: 2026-11-01

Punctuality : 100% on time · average delay −0.2 min · over 1 observed day

Usually

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

Departs
20:47
Arrives
21:23 · Gare du Nord
Journey time
36 min
Stops
19

Next scheduled journey — timetable

  1. Massy - PalaiseauScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  2. Massy - VerrièresScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  3. Les BaconnetsScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  4. Fontaine MichalonScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  5. AntonyScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  6. La Croix de BernyScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  7. Parc de SceauxScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  8. Bourg-la-ReineScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  9. BagneuxScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  10. Arcueil - CachanScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  11. LaplaceScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  12. GentillyScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  13. Cité UniversitaireScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  14. Denfert-RochereauScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  15. Port RoyalScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  16. LuxembourgScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  17. Saint-Michel Notre-DameScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  18. Châtelet - Les HallesScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  19. Gare du NordScheduled, 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 time100%
average delay−0.2 min
max delay+0 min
runs reported1
stops19
Historical average delay — home ranking: 0 min (over 1 run)

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: 1. 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: 10/1/2026, 11:29:00 PM – 10/31/2026, 10:29:00 PM (Europe/Paris).

Runs in the window
1
Events confirmed by the source
0
Events predicted by the source
1
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 10/31/2026, 6:29:52 PM (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 AUTO21 from Massy - Palaiseau to Paris Gare du Nord on a typical weekday. Actual times may vary.

StopArrivalDeparture
Massy - Palaiseau20:4720:47
Massy - Verrières20:4920:49
Les Baconnets20:5020:51
Fontaine Michalon20:5220:52
Antony20:5420:54
La Croix de Berny20:5620:56
Parc de Sceaux20:5720:58
Bourg-la-Reine20:5921:00
Bagneux21:0221:02
Arcueil - Cachan21:0421:04
Laplace21:0521:06
Gentilly21:0721:08
Cité Universitaire21:0921:09
Denfert-Rochereau21:1121:12
Port Royal21:1321:14
Luxembourg21:1521:15
Saint-Michel Notre-Dame21:1721:18
Châtelet - Les Halles21:1921:20
Gare du Nord21:2321:23

Frequently asked questions

What time does RER AUTO21 depart?

RER AUTO21 departs from Massy - Palaiseau at 20:47 (typical schedule from reported times). Actual times may vary.

How many stops does RER AUTO21 make?

RER AUTO21 connects Massy - Palaiseau to Paris Gare du Nord with 19 stops.

Is RER AUTO21 on time?

Over the reported runs, RER AUTO21 was reported on time 100% of runs, with an average delay of -0.2 minutes.

Other trains on this line

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

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