RER AURA27

RER
Massy - PalaiseauGare du Nord
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 50% on time · average delay +6.7 min · over 2 observed days

Usually

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

Departs
11:29
Arrives
12:05
Journey time
36 min
Stops
19

Stops on the latest run

19 stops passed : 13 confirmed by the source, 6 from the forecast. Latest source data: 6 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)
    Massy - Palaiseau
    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)
    Massy - Verrières
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  3. Earlier stop (estimated)
    Les Baconnets
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 43 min old)
  4. Earlier stop (estimated)
    Fontaine Michalon
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast (data 41 min old)
  5. 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(+1′)
  6. 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(+1′)
  7. Earlier stop (estimated)
    Parc de Sceaux
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  8. Earlier stop (estimated)
    Bourg-la-Reine
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  9. Earlier stop (estimated)
    Bagneux
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  10. Earlier stop (estimated)
    Arcueil - Cachan
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  11. Earlier stop (estimated)
    Laplace
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  12. Earlier stop (estimated)
    Gentilly
    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)
    Cité Universitaire
    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)
    Denfert-Rochereau
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  15. Earlier stop (estimated)
    Port Royal
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  16. Earlier stop (estimated)
    Luxembourg
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 18 min old)
  17. Earlier stop (estimated)
    Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast (data 18 min old)
  18. Earlier stop (estimated)
    Châtelet - Les Halles
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  19. Earlier stop (estimated)
    Gare du Nord
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Passed according to the source forecast (data 9 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 time50%
average delay+6.7 min
max delay+14 min
runs reported2
stops19
0m6m11m31/101/11
Delay values
DateDelay (min)
2026-10-3111
2026-11-012.3157894736842106
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, 1:12:58 PM – 11/1/2026, 12:12:58 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, 12:08:52 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 AURA27 from Massy - Palaiseau to Gare du Nord on a typical weekday. Actual times may vary.

StopArrivalDeparture
Massy - Palaiseau11:2911:29
Massy - Verrières11:3111:31
Les Baconnets11:3211:33
Fontaine Michalon11:3411:34
Antony11:3611:36
La Croix de Berny11:3811:38
Parc de Sceaux11:3911:40
Bourg-la-Reine11:4111:42
Bagneux11:4411:44
Arcueil - Cachan11:4611:46
Laplace11:4711:48
Gentilly11:4911:50
Cité Universitaire11:5111:51
Denfert-Rochereau11:5311:54
Port Royal11:5511:56
Luxembourg11:5711:57
Saint-Michel Notre-Dame11:5912:00
Châtelet - Les Halles12:0112:02
Gare du Nord12:0512:05

Frequently asked questions

What time does RER AURA27 depart?

RER AURA27 departs from Massy - Palaiseau at 11:29 (typical schedule from reported times). Actual times may vary.

How many stops does RER AURA27 make?

RER AURA27 connects Massy - Palaiseau to Gare du Nord with 19 stops.

Is RER AURA27 on time?

Over the reported runs, RER AURA27 was reported on time 50% of runs, with an average delay of 6.7 minutes.

Other trains on this line

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

Back to the list