RER EROC91

RER

Massy - PalaiseauAéroport - Charles-de-Gaulle 2 RER

Passages not confirmedTimes reported by the data source. Passages are not confirmed.

Historical average delay — home ranking

-1 min

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: 9/11/2026, 1:00:25 AM (Europe/Paris).

This average can be available without a complete route. The route statistics below use only recorded routes with their stops.

Calculation window: 8/12/2026, 1:00:25 AM – 9/11/2026, 1:00:25 AM (Europe/Paris).

Runs in the window: 3
Events confirmed by the source: 0
Events predicted by the source: 1
Unknown event type: 0
Cancelled runs, excluded: 2
No usable delay, excluded: 0

Latest source timestamp: 9/10/2026, 10:10:41 PM (Europe/Paris).

Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.

Latest available run: these times are historical.

Stops on the latest run

Massy - Palaiseau
Departure
Scheduled time21:04
Predicted by the source21:07(+3′)
Massy - Verrières-le-Buisson
Arrival
Scheduled time21:06
Predicted by the source21:08(+2′)
Departure
Scheduled time21:06
Predicted by the source21:09(+3′)
Les Baconnets
Arrival
Scheduled time21:08
Predicted by the source21:10(+2′)
Departure
Scheduled time21:08
Predicted by the source21:11(+3′)
Fontaine Michalon
Arrival
Scheduled time21:09
Predicted by the source21:12(+3′)
Departure
Scheduled time21:09
Predicted by the source21:13(+4′)
Antony
Arrival
Scheduled time21:11
Predicted by the source21:13(+2′)
Departure
Scheduled time21:12
Predicted by the source21:14(+2′)
La Croix de Berny
Arrival
Scheduled time21:13
Predicted by the source21:15(+2′)
Departure
Scheduled time21:13
Predicted by the source21:16(+3′)
Parc de Sceaux
Arrival
Scheduled time21:15
Predicted by the source21:17(+2′)
Departure
Scheduled time21:15
Predicted by the source21:18(+3′)
Bourg-la-Reine
Arrival
Scheduled time21:16
Predicted by the source21:18(+2′)
Departure
Scheduled time21:17
Predicted by the source21:19(+2′)
Bagneux
Arrival
Scheduled time21:19
Predicted by the source21:21(+2′)
Departure
Scheduled time21:20
Predicted by the source21:22(+2′)
Arcueil - Cachan
Arrival
Scheduled time21:21
Predicted by the source21:22(+1′)
Departure
Scheduled time21:21
Predicted by the source21:24(+3′)
Laplace
Arrival
Scheduled time21:23
Predicted by the source21:24(+1′)
Departure
Scheduled time21:23
Predicted by the source21:25(+2′)
Gentilly
Arrival
Scheduled time21:25
Predicted by the source21:26(+1′)
Departure
Scheduled time21:25
Predicted by the source21:27(+2′)
Cité Universitaire
Arrival
Scheduled time21:26
Predicted by the source21:28(+2′)
Departure
Scheduled time21:27
Predicted by the source21:29(+2′)
Denfert Rochereau
Arrival
Scheduled time21:29
Predicted by the source21:30(+1′)
Departure
Scheduled time21:30
Predicted by the source21:31(+1′)
Port Royal
Arrival
Scheduled time21:31
Predicted by the source21:32(+1′)
Departure
Scheduled time21:32
Predicted by the source21:33(+1′)
Luxembourg
Arrival
Scheduled time21:33
Predicted by the source21:33(0′)
Departure
Scheduled time21:33
Predicted by the source21:34(+1′)
Saint-Michel
Arrival
Scheduled time21:35
Predicted by the source21:35(0′)
Departure
Scheduled time21:36
Predicted by the source21:36(0′)
Châtelet les Halles
Arrival
Scheduled time21:37
Predicted by the source21:37(0′)
Departure
Scheduled time21:38
Predicted by the source21:38(0′)
Gare du Nord
Arrival
Scheduled time21:41
Predicted by the source21:40(-1′)
Departure
Scheduled time21:42
Predicted by the source21:42(0′)
La Plaine Stade de France - Saint-Denis - Aubervilliers
Arrival
Scheduled time21:46
Predicted by the source21:45(-1′)
Departure
Scheduled time21:47
Predicted by the source21:46(-1′)
Aulnay-sous-Bois
Arrival
Scheduled time21:56
Predicted by the source21:54(-2′)
Departure
Scheduled time21:57
Predicted by the source21:57(0′)
Parc des Expositions
Arrival
Scheduled time22:02
Predicted by the source22:03(+1′)
Departure
Scheduled time22:03
Predicted by the source22:03(0′)
Aéroport Roissy Charles de Gaulle 1
Arrival
Scheduled time22:08
Predicted by the source22:08(0′)
Departure
Scheduled time22:09
Predicted by the source22:09(0′)
Aéroport - Charles-de-Gaulle 2 RER
Arrival
Scheduled time22:11
Predicted by the source22:10(-1′)

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.

Cancelled runs are excluded from the punctuality calculation.

runs reported on time—

average delay+1.5 min

max delay+4 min

runs reported1

cancelled runs2

stops24

Typical schedule

Stops and times of RER EROC91 from Massy - Palaiseau to Aéroport - Charles-de-Gaulle 2 RER on a typical weekday. Actual times may vary.

StopArrivalDeparture

Massy - Palaiseau—21:04

Massy - Verrières-le-Buisson21:0621:06

Les Baconnets21:0821:08

Fontaine Michalon21:0921:09

Antony21:1121:12

La Croix de Berny21:1321:13

Parc de Sceaux21:1521:15

Bourg-la-Reine21:1621:17

Bagneux21:1921:20

Arcueil - Cachan21:2121:21

Laplace21:2321:23

Gentilly21:2521:25

Cité Universitaire21:2621:27

Denfert Rochereau21:2921:30

Port Royal21:3121:32

Luxembourg21:3321:33

Saint-Michel21:3521:36

Châtelet les Halles21:3721:38

Gare du Nord21:4121:42

La Plaine Stade de France - Saint-Denis - Aubervilliers21:4621:47

Aulnay-sous-Bois21:5621:57

Parc des Expositions22:0222:03

Aéroport Roissy Charles de Gaulle 122:0822:09

Aéroport - Charles-de-Gaulle 2 RER22:11—

Frequently asked questions

What time does RER EROC91 depart?

RER EROC91 departs from Massy - Palaiseau at 21:04 (typical schedule from reported times). Actual times may vary.

How many stops does RER EROC91 make?

RER EROC91 connects Massy - Palaiseau to Aéroport - Charles-de-Gaulle 2 RER with 24 stops.

Is RER EROC91 on time?

Over the reported runs, every run of RER EROC91 was cancelled (2 runs): punctuality cannot be established.

Other trains on this line

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

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