RER ERBE27

RER
Châtelet les HallesAéroport - Charles-de-Gaulle 2 RER
Passage confirmedPassage confirmed by the source at one or more stops. Other times are estimated.

Punctuality : 83% on time · average delay +1.5 min · over 6 observed days

Usually

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

Departs
18:20 · Massy - Palaiseau
Arrives
19:26 · Aéroport CDG (Terminal 2) - TGV
Journey time
1 h 06
Stops
24
Runs
Weekends

Latest available run: these times are historical.

Stops on the latest run

24 stops passed : 13 confirmed by the source, 11 from the forecast.

  1. Massy - Palaiseau
    Arrival
    Scheduled time
    Departure
    Scheduled time
    Predicted by the source(0′)
    Passed according to the source forecast
  2. Massy - Verrières
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast
  3. Les Baconnets
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast
  4. Fontaine Michalon
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast
  5. 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′)
  6. 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′)
  7. 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. 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
  9. Bagneux
    Arrival
    Scheduled time
    Confirmed by the source(+2′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+2′)
  10. 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. Laplace
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+2′)
    Passed according to the source forecast
  12. Gentilly
    Arrival
    Scheduled time
    Predicted by the source(+2′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast
  13. 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(+1′)
  14. Denfert-Rochereau
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast
  15. 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′)
  16. Luxembourg
    Arrival
    Scheduled time
    Predicted by the source(+1′)
    Departure
    Scheduled time
    Predicted by the source(+1′)
    Passed according to the source forecast
  17. 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(0′)
  18. 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(0′)
  19. Gare du Nord
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  20. La Plaine Stade de France
    Arrival
    Scheduled time
    Confirmed by the source(+1′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+1′)
  21. Aulnay-sous-Bois
    Arrival
    Scheduled time
    Predicted by the source(+3′)
    Departure
    Scheduled time
    Predicted by the source(+3′)
    Passed according to the source forecast
  22. Parc des Expositions
    Arrival
    Scheduled time
    Confirmed by the source(+4′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+4′)
  23. Aéroport CDG 1 (Terminal 3)
    Arrival
    Scheduled time
    Confirmed by the source(+4′)
    Arrival reported by the source, no actual time
    Departure
    Scheduled time
    Predicted by the source(+4′)
  24. Aéroport CDG (Terminal 2) - TGV
    Arrival
    Scheduled time
    Predicted by the source(+4′)
    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 time83%
average delay+1.5 min
max delay+6 min
runs reported6
stops24
0m3m5m10/1017/1025/10
Delay values
DateDelay (min)
2026-10-100.9545454545454546
2026-10-111.4545454545454546
2026-10-170.6521739130434783
2026-10-180.6086956521739131
2026-10-243.130434782608696
2026-10-252.230769230769231
Historical average delay — home ranking: +1.4 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, 4:10:46 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 ERBE27 from Châtelet les Halles to Aéroport - Charles-de-Gaulle 2 RER on a typical weekday. Actual times may vary.

StopArrivalDeparture
Massy - Palaiseau18:2018:20
Massy - Verrières18:2218:22
Les Baconnets18:2418:24
Fontaine Michalon18:2518:25
Antony18:2718:28
La Croix de Berny18:2918:29
Parc de Sceaux18:3018:31
Bourg-la-Reine18:3218:33
Bagneux18:3518:35
Arcueil - Cachan18:3618:37
Laplace18:3818:39
Gentilly18:4018:41
Cité Universitaire18:4218:42
Denfert-Rochereau18:4418:45
Port Royal18:4618:47
Luxembourg18:4818:48
Saint-Michel Notre-Dame18:5018:51
Châtelet - Les Halles18:5218:53
Gare du Nord18:5618:57
La Plaine Stade de France19:0219:02
Aulnay-sous-Bois19:1119:12
Parc des Expositions19:1719:18
Aéroport CDG 1 (Terminal 3)19:2319:24
Aéroport CDG (Terminal 2) - TGV19:2619:26

Frequently asked questions

What time does RER ERBE27 depart?

RER ERBE27 departs from Massy - Palaiseau at 18:20 (typical schedule from reported times). Actual times may vary.

How many stops does RER ERBE27 make?

RER ERBE27 connects Châtelet les Halles to Aéroport - Charles-de-Gaulle 2 RER with 24 stops.

Is RER ERBE27 on time?

Over the reported runs, RER ERBE27 was reported on time 83% of runs, with an average delay of 1.5 minutes.

Other trains on this line

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

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