RER ERIO85

RER

Massy - PalaiseauAéroport Charles de Gaulle 2 (Terminal 2)

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

Historical average delay — home ranking

-0.3 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: 4. 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: 4
Events confirmed by the source: 0
Events predicted by the source: 1
Unknown event type: 3
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 9/10/2026, 4:09:59 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 time15:04
Predicted by the source15:04(0′)
Massy - Verrières-le-Buisson
Arrival
Scheduled time15:06
Predicted by the source15:05(-1′)
Departure
Scheduled time15:06
Predicted by the source15:07(+1′)
Les Baconnets
Arrival
Scheduled time15:08
Predicted by the source15:07(-1′)
Departure
Scheduled time15:08
Predicted by the source15:08(0′)
Fontaine Michalon
Arrival
Scheduled time15:09
Predicted by the source15:09(0′)
Departure
Scheduled time15:09
Predicted by the source15:10(+1′)
Antony
Arrival
Scheduled time15:11
Predicted by the source15:11(0′)
Departure
Scheduled time15:12
Predicted by the source15:12(0′)
La Croix de Berny
Arrival
Scheduled time15:13
Predicted by the source15:13(0′)
Departure
Scheduled time15:13
Predicted by the source15:14(+1′)
Parc de Sceaux
Arrival
Scheduled time15:15
Predicted by the source15:14(-1′)
Departure
Scheduled time15:15
Predicted by the source15:15(0′)
Bourg-la-Reine
Arrival
Scheduled time15:16
Predicted by the source15:16(0′)
Departure
Scheduled time15:17
Predicted by the source15:18(+1′)
Bagneux
Arrival
Scheduled time15:19
Predicted by the source15:19(0′)
Departure
Scheduled time15:20
Predicted by the source15:20(0′)
Arcueil - Cachan
Arrival
Scheduled time15:21
Predicted by the source15:21(0′)
Departure
Scheduled time15:21
Predicted by the source15:22(+1′)
Laplace
Arrival
Scheduled time15:23
Predicted by the source15:23(0′)
Departure
Scheduled time15:23
Predicted by the source15:24(+1′)
Gentilly
Arrival
Scheduled time15:25
Predicted by the source15:24(-1′)
Departure
Scheduled time15:25
Predicted by the source15:26(+1′)
Cité Universitaire
Arrival
Scheduled time15:26
Predicted by the source15:26(0′)
Departure
Scheduled time15:27
Predicted by the source15:28(+1′)
Denfert Rochereau
Arrival
Scheduled time15:29
Predicted by the source15:29(0′)
Departure
Scheduled time15:30
Predicted by the source15:30(0′)
Port Royal
Arrival
Scheduled time15:31
Predicted by the source15:31(0′)
Departure
Scheduled time15:32
Predicted by the source15:32(0′)
Luxembourg
Arrival
Scheduled time15:33
Predicted by the source15:33(0′)
Departure
Scheduled time15:33
Predicted by the source15:34(+1′)
Saint-Michel
Arrival
Scheduled time15:35
Predicted by the source15:35(0′)
Departure
Scheduled time15:36
Predicted by the source15:36(0′)
Châtelet les Halles
Arrival
Scheduled time15:37
Predicted by the source15:37(0′)
Departure
Scheduled time15:38
Predicted by the source15:39(+1′)
Gare du Nord
Arrival
Scheduled time15:41
Predicted by the source15:41(0′)
Departure
Scheduled time15:42
Predicted by the source15:44(+2′)
Aulnay-sous-Bois
Arrival
Scheduled time15:55
Predicted by the source15:56(+1′)
Departure
Scheduled time15:56
Predicted by the source15:57(+1′)
Parc des Expositions
Arrival
Scheduled time16:01
Predicted by the source16:02(+1′)
Departure
Scheduled time16:01
Predicted by the source16:02(+1′)
Aéroport Roissy Charles de Gaulle 1
Arrival
Scheduled time16:06
Predicted by the source16:09(+3′)
Departure
Scheduled time16:07
Predicted by the source16:09(+2′)
Aéroport - Charles-de-Gaulle 2 RER
Arrival
Scheduled time16:09
Predicted by the source16:09(0′)

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 time—

average delay+0.3 min

max delay+2 min

runs reported4

stops23

Delay values

DateDelay (min)

2026-09-07-0.14285714285714285

2026-09-081.1818181818181819

2026-09-09-0.4090909090909091

2026-09-100.6956521739130435

Typical schedule

Stops and times of RER ERIO85 from Massy - Palaiseau to Aéroport Charles de Gaulle 2 (Terminal 2) on a typical weekday. Actual times may vary.

StopArrivalDeparture

Massy - Palaiseau—15:04

Massy - Verrières-le-Buisson15:0615:06

Les Baconnets15:0815:08

Fontaine Michalon15:0915:09

Antony15:1115:12

La Croix de Berny15:1315:13

Parc de Sceaux15:1515:15

Bourg-la-Reine15:1615:17

Bagneux15:1915:20

Arcueil - Cachan15:2115:21

Laplace15:2315:23

Gentilly15:2515:25

Cité Universitaire15:2615:27

Denfert Rochereau15:2915:30

Port Royal15:3115:32

Luxembourg15:3315:33

Saint-Michel15:3515:36

Châtelet les Halles15:3715:38

Gare du Nord15:4115:42

Aulnay-sous-Bois15:5515:56

Parc des Expositions16:0116:01

Aéroport Roissy Charles de Gaulle 116:0616:07

Aéroport - Charles-de-Gaulle 2 RER16:09—

Frequently asked questions

What time does RER ERIO85 depart?

RER ERIO85 departs from Massy - Palaiseau at 15:04 (typical schedule from reported times). Actual times may vary.

How many stops does RER ERIO85 make?

RER ERIO85 connects Massy - Palaiseau to Aéroport Charles de Gaulle 2 (Terminal 2) with 23 stops.

Is RER ERIO85 on time?

Not enough reported runs yet to establish punctuality.

Other trains on this line

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

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