RER IRMA49

RER

Massy - PalaiseauMitry - Claye

CancelledAll 29 stops on this run are reported cancelled.

Historical average delay — home ranking

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

Latest source timestamp: 9/10/2026, 7:48:00 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 - PalaiseauCancelled
Departure
Scheduled time19:31
Predicted by the source19:31(0′)
Massy - Verrières-le-BuissonCancelled
Arrival
Scheduled time19:33
Predicted by the source19:33(0′)
Departure
Scheduled time19:33
Predicted by the source19:33(0′)
Les BaconnetsCancelled
Arrival
Scheduled time19:35
Predicted by the source19:35(0′)
Departure
Scheduled time19:35
Predicted by the source19:35(0′)
Fontaine MichalonCancelled
Arrival
Scheduled time19:36
Predicted by the source19:36(0′)
AntonyCancelled
Arrival
Scheduled time19:37
Predicted by the source19:37(0′)
Departure
Scheduled time19:38
Predicted by the source19:38(0′)
La Croix de BernyCancelled
Arrival
Scheduled time19:39
Predicted by the source19:39(0′)
Departure
Scheduled time19:40
Predicted by the source19:40(0′)
Parc de SceauxCancelled
Arrival
Scheduled time19:41
Predicted by the source19:41(0′)
Departure
Scheduled time19:42
Predicted by the source19:42(0′)
Bourg-la-ReineCancelled
Arrival
Scheduled time19:43
Predicted by the source19:43(0′)
Departure
Scheduled time19:44
Predicted by the source19:43(-1′)
BagneuxCancelled
Arrival
Scheduled time19:46
Predicted by the source19:46(0′)
Departure
Scheduled time19:46
Predicted by the source19:46(0′)
Arcueil - CachanCancelled
Arrival
Scheduled time19:47
Predicted by the source19:47(0′)
Departure
Scheduled time19:48
Predicted by the source19:48(0′)
LaplaceCancelled
Arrival
Scheduled time19:50
Predicted by the source19:50(0′)
Departure
Scheduled time19:50
Predicted by the source19:50(0′)
GentillyCancelled
Arrival
Scheduled time19:51
Predicted by the source19:51(0′)
Departure
Scheduled time19:52
Predicted by the source19:52(0′)
Cité UniversitaireCancelled
Arrival
Scheduled time19:53
Predicted by the source19:53(0′)
Departure
Scheduled time19:54
Predicted by the source19:53(-1′)
Denfert RochereauCancelled
Arrival
Scheduled time19:56
Predicted by the source19:56(0′)
Departure
Scheduled time19:57
Predicted by the source19:56(-1′)
Port RoyalCancelled
Arrival
Scheduled time19:58
Predicted by the source19:58(0′)
Departure
Scheduled time19:58
Predicted by the source19:58(0′)
LuxembourgCancelled
Arrival
Scheduled time19:59
Predicted by the source19:59(0′)
Departure
Scheduled time20:00
Predicted by the source20:00(0′)
Saint-MichelCancelled
Arrival
Scheduled time20:01
Predicted by the source20:01(0′)
Departure
Scheduled time20:02
Predicted by the source20:02(0′)
Châtelet les HallesCancelled
Arrival
Scheduled time20:04
Predicted by the source20:04(0′)
Departure
Scheduled time20:05
Predicted by the source20:04(-1′)
Gare du NordCancelled
Arrival
Scheduled time20:08
Predicted by the source20:08(0′)
Departure
Scheduled time20:09
Predicted by the source20:09(0′)
La Plaine Stade de France - Saint-Denis - AubervilliersCancelled
Arrival
Scheduled time20:13
Predicted by the source20:13(0′)
Departure
Scheduled time20:14
Predicted by the source20:14(0′)
La Courneuve - AubervilliersCancelled
Arrival
Scheduled time20:16
Predicted by the source20:16(0′)
Departure
Scheduled time20:16
Predicted by the source20:16(0′)
Le BourgetCancelled
Arrival
Scheduled time20:19
Predicted by the source20:19(0′)
Departure
Scheduled time20:19
Predicted by the source20:19(0′)
DrancyCancelled
Arrival
Scheduled time20:22
Predicted by the source20:22(0′)
Departure
Scheduled time20:22
Predicted by the source20:22(0′)
Le Blanc-MesnilCancelled
Arrival
Scheduled time20:24
Predicted by the source20:24(0′)
Departure
Scheduled time20:24
Predicted by the source20:24(0′)
Aulnay-sous-BoisCancelled
Arrival
Scheduled time20:26
Predicted by the source20:26(0′)
Departure
Scheduled time20:27
Predicted by the source20:27(0′)
Sevran - LivryCancelled
Arrival
Scheduled time20:30
Predicted by the source20:30(0′)
Departure
Scheduled time20:30
Predicted by the source20:30(0′)
Vert GalantCancelled
Arrival
Scheduled time20:33
Predicted by the source20:33(0′)
Departure
Scheduled time20:33
Predicted by the source20:33(0′)
Villeparisis - Mitry-le-NeufCancelled
Arrival
Scheduled time20:36
Predicted by the source20:36(0′)
Departure
Scheduled time20:36
Predicted by the source20:36(0′)
Mitry - ClayeCancelled
Arrival
Scheduled time20:40
Predicted by the source20:40(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.

Cancelled runs are excluded from the punctuality calculation.

runs reported on time—

average delay+1.6 min

max delay+4 min

runs reported1

cancelled runs3

stops29

Typical schedule

Stops and times of RER IRMA49 from Massy - Palaiseau to Mitry - Claye on a typical weekday. Actual times may vary.

StopArrivalDeparture

Massy - Palaiseau—19:31

Massy - Verrières-le-Buisson19:3319:33

Les Baconnets19:3519:35

Fontaine Michalon19:36—

Antony19:3719:38

La Croix de Berny19:3919:40

Parc de Sceaux19:4119:42

Bourg-la-Reine19:4319:44

Bagneux19:4619:46

Arcueil - Cachan19:4719:48

Laplace19:5019:50

Gentilly19:5119:52

Cité Universitaire19:5319:54

Denfert Rochereau19:5619:57

Port Royal19:5819:58

Luxembourg19:5920:00

Saint-Michel20:0120:02

Châtelet les Halles20:0420:05

Gare du Nord20:0820:09

La Plaine Stade de France - Saint-Denis - Aubervilliers20:1320:14

La Courneuve - Aubervilliers20:1620:16

Le Bourget20:1920:19

Drancy20:2220:22

Le Blanc-Mesnil20:2420:24

Aulnay-sous-Bois20:2620:27

Sevran - Livry20:3020:30

Vert Galant20:3320:33

Villeparisis - Mitry-le-Neuf20:3620:36

Mitry - Claye20:40—

Frequently asked questions

What time does RER IRMA49 depart?

RER IRMA49 departs from Massy - Palaiseau at 19:31 (typical schedule from reported times). Actual times may vary.

How many stops does RER IRMA49 make?

RER IRMA49 connects Massy - Palaiseau to Mitry - Claye with 29 stops.

Is RER IRMA49 on time?

Over the reported runs, every run of RER IRMA49 was cancelled (3 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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