RER IRMA25

RER

Massy - PalaiseauMitry - Claye

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

Historical average delay — home ranking

+3.3 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: 3. 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: 2
Cancelled runs, excluded: 1
No usable delay, excluded: 0

Latest source timestamp: 9/10/2026, 8:09:36 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 time18:55
Predicted by the source18:55(0′)
Massy - Verrières-le-Buisson
Arrival
Scheduled time18:57
Predicted by the source18:57(0′)
Departure
Scheduled time18:57
Predicted by the source18:58(+1′)
Les Baconnets
Arrival
Scheduled time18:59
Predicted by the source18:58(-1′)
Departure
Scheduled time18:59
Predicted by the source19:00(+1′)
Antony
Arrival
Scheduled time19:01
Predicted by the source19:01(0′)
Departure
Scheduled time19:02
Predicted by the source19:02(0′)
La Croix de Berny
Arrival
Scheduled time19:03
Predicted by the source19:03(0′)
Departure
Scheduled time19:04
Predicted by the source19:04(0′)
Parc de Sceaux
Arrival
Scheduled time19:05
Predicted by the source19:04(-1′)
Departure
Scheduled time19:06
Predicted by the source19:05(-1′)
Bourg-la-Reine
Arrival
Scheduled time19:07
Predicted by the source19:06(-1′)
Departure
Scheduled time19:08
Predicted by the source19:08(0′)
Bagneux
Arrival
Scheduled time19:10
Predicted by the source19:09(-1′)
Departure
Scheduled time19:10
Predicted by the source19:11(+1′)
Arcueil - Cachan
Arrival
Scheduled time19:11
Predicted by the source19:11(0′)
Departure
Scheduled time19:12
Predicted by the source19:12(0′)
Laplace
Arrival
Scheduled time19:14
Predicted by the source19:13(-1′)
Departure
Scheduled time19:14
Predicted by the source19:14(0′)
Gentilly
Arrival
Scheduled time19:15
Predicted by the source19:15(0′)
Departure
Scheduled time19:16
Predicted by the source19:16(0′)
Cité Universitaire
Arrival
Scheduled time19:17
Predicted by the source19:16(-1′)
Departure
Scheduled time19:18
Predicted by the source19:18(0′)
Denfert Rochereau
Arrival
Scheduled time19:20
Predicted by the source19:19(-1′)
Departure
Scheduled time19:21
Predicted by the source19:21(0′)
Port Royal
Arrival
Scheduled time19:22
Predicted by the source19:21(-1′)
Departure
Scheduled time19:22
Predicted by the source19:23(+1′)
Luxembourg
Arrival
Scheduled time19:23
Predicted by the source19:23(0′)
Departure
Scheduled time19:24
Predicted by the source19:25(+1′)
Saint-Michel
Arrival
Scheduled time19:25
Predicted by the source19:27(+2′)
Departure
Scheduled time19:26
Predicted by the source19:29(+3′)
Châtelet les Halles
Arrival
Scheduled time19:28
Predicted by the source19:30(+2′)
Departure
Scheduled time19:29
Predicted by the source19:32(+3′)
Gare du Nord
Arrival
Scheduled time19:32
Predicted by the source19:35(+3′)
Departure
Scheduled time19:33
Predicted by the source19:36(+3′)
La Plaine Stade de France - Saint-Denis - Aubervilliers
Arrival
Scheduled time19:37
Predicted by the source19:45(+8′)
Departure
Scheduled time19:38
Predicted by the source19:46(+8′)
La Courneuve - Aubervilliers
Arrival
Scheduled time19:40
Predicted by the source19:48(+8′)
Departure
Scheduled time19:40
Predicted by the source19:49(+9′)
Le Bourget
Arrival
Scheduled time19:43
Predicted by the source19:51(+8′)
Departure
Scheduled time19:43
Predicted by the source19:52(+9′)
Drancy
Arrival
Scheduled time19:46
Predicted by the source19:54(+8′)
Departure
Scheduled time19:46
Predicted by the source19:55(+9′)
Le Blanc-Mesnil
Arrival
Scheduled time19:48
Predicted by the source19:56(+8′)
Departure
Scheduled time19:48
Predicted by the source19:56(+8′)
Aulnay-sous-Bois
Arrival
Scheduled time19:50
Predicted by the source19:58(+8′)
Departure
Scheduled time19:51
Predicted by the source20:01(+10′)
Sevran - Livry
Arrival
Scheduled time19:54
Predicted by the source20:04(+10′)
Departure
Scheduled time19:54
Predicted by the source20:04(+10′)
Vert Galant
Arrival
Scheduled time19:57
Predicted by the source20:08(+11′)
Departure
Scheduled time19:57
Predicted by the source20:09(+12′)
Villeparisis - Mitry-le-Neuf
Arrival
Scheduled time20:00
Predicted by the source20:11(+11′)
Departure
Scheduled time20:00
Predicted by the source20:12(+12′)
Mitry - Claye
Arrival
Scheduled time20:04
Predicted by the source20:16(+12′)

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+1.9 min

max delay+12 min

runs reported3

cancelled runs1

stops28

Delay values

DateDelay (min)

2026-09-070

2026-09-081.625

2026-09-104

Typical schedule

Stops and times of RER IRMA25 from Massy - Palaiseau to Mitry - Claye on a typical weekday. Actual times may vary.

StopArrivalDeparture

Massy - Palaiseau—18:55

Massy - Verrières-le-Buisson18:5718:57

Les Baconnets18:5918:59

Antony19:0119:02

La Croix de Berny19:0319:04

Parc de Sceaux19:0519:06

Bourg-la-Reine19:0719:08

Bagneux19:1019:10

Arcueil - Cachan19:1119:12

Laplace19:1419:14

Gentilly19:1519:16

Cité Universitaire19:1719:18

Denfert Rochereau19:2019:21

Port Royal19:2219:22

Luxembourg19:2319:24

Saint-Michel19:2519:26

Châtelet les Halles19:2819:29

Gare du Nord19:3219:33

La Plaine Stade de France - Saint-Denis - Aubervilliers19:3719:38

La Courneuve - Aubervilliers19:4019:40

Le Bourget19:4319:43

Drancy19:4619:46

Le Blanc-Mesnil19:4819:48

Aulnay-sous-Bois19:5019:51

Sevran - Livry19:5419:54

Vert Galant19:5719:57

Villeparisis - Mitry-le-Neuf20:0020:00

Mitry - Claye20:04—

Frequently asked questions

What time does RER IRMA25 depart?

RER IRMA25 departs from Massy - Palaiseau at 18:55 (typical schedule from reported times). Actual times may vary.

How many stops does RER IRMA25 make?

RER IRMA25 connects Massy - Palaiseau to Mitry - Claye with 28 stops.

Is RER IRMA25 on time?

Over the reported runs, every run of RER IRMA25 was cancelled (1 run): 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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