RER IDOR41

RER

Saint-Rémy-lès-ChevreuseMitry - Claye

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

Historical average delay — home ranking

+10 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, 10:36:22 AM (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

Saint-Rémy-lès-Chevreuse
Departure
Scheduled time08:38
Predicted by the source08:40(+2′)
Courcelle sur Yvette
Arrival
Scheduled time08:41
Predicted by the source08:42(+1′)
Departure
Scheduled time08:42
Predicted by the source08:41(-1′)
Gif-sur-Yvette
Arrival
Scheduled time08:44
Predicted by the source08:44(0′)
Departure
Scheduled time08:45
Predicted by the source08:45(0′)
La Hacquinière
Arrival
Scheduled time08:46
Predicted by the source08:46(0′)
Departure
Scheduled time08:47
Predicted by the source08:47(0′)
Bures-sur-Yvette
Arrival
Scheduled time08:48
Predicted by the source08:49(+1′)
Departure
Scheduled time08:49
Predicted by the source08:50(+1′)
Orsay
Arrival
Scheduled time08:51
Predicted by the source08:50(-1′)
Departure
Scheduled time08:51
Predicted by the source08:51(0′)
Le Guichet
Arrival
Scheduled time08:53
Predicted by the source08:52(-1′)
Departure
Scheduled time08:53
Predicted by the source08:53(0′)
Lozère
Arrival
Scheduled time08:55
Predicted by the source08:54(-1′)
Departure
Scheduled time08:56
Predicted by the source08:55(-1′)
Palaiseau - Villebon-sur-Yvette
Arrival
Scheduled time08:58
Predicted by the source08:57(-1′)
Departure
Scheduled time08:58
Predicted by the source08:58(0′)
Palaiseau
Arrival
Scheduled time08:59
Predicted by the source08:58(-1′)
Departure
Scheduled time09:00
Predicted by the source09:00(0′)
Massy - Palaiseau
Arrival
Scheduled time09:02
Predicted by the source09:01(-1′)
Departure
Scheduled time09:03
Predicted by the source09:02(-1′)
Massy - Verrières-le-Buisson
Arrival
Scheduled time09:04
Predicted by the source09:03(-1′)
Departure
Scheduled time09:05
Predicted by the source09:04(-1′)
Les Baconnets
Arrival
Scheduled time09:06
Predicted by the source09:05(-1′)
Departure
Scheduled time09:07
Predicted by the source09:06(-1′)
Fontaine Michalon
Arrival
Scheduled time09:08
Predicted by the source09:07(-1′)
Departure
Scheduled time09:08
Predicted by the source09:08(0′)
Antony
Arrival
Scheduled time09:10
Predicted by the source09:09(-1′)
Departure
Scheduled time09:11
Predicted by the source09:10(-1′)
La Croix de Berny
Arrival
Scheduled time09:12
Predicted by the source09:10(-2′)
Departure
Scheduled time09:13
Predicted by the source09:12(-1′)
Parc de Sceaux
Arrival
Scheduled time09:14
Predicted by the source09:12(-2′)
Departure
Scheduled time09:14
Predicted by the source09:14(0′)
Bourg-la-Reine
Arrival
Scheduled time09:16
Predicted by the source09:15(-1′)
Departure
Scheduled time09:17
Predicted by the source09:16(-1′)
Bagneux
Arrival
Scheduled time09:19
Predicted by the source09:17(-2′)
Departure
Scheduled time09:19
Predicted by the source09:18(-1′)
Arcueil - Cachan
Arrival
Scheduled time09:20
Predicted by the source09:19(-1′)
Departure
Scheduled time09:21
Predicted by the source09:20(-1′)
Laplace
Arrival
Scheduled time09:23
Predicted by the source09:21(-2′)
Departure
Scheduled time09:23
Predicted by the source09:29(+6′)
Gentilly
Arrival
Scheduled time09:24
Predicted by the source09:29(+5′)
Departure
Scheduled time09:25
Predicted by the source09:37(+12′)
Cité Universitaire
Arrival
Scheduled time09:26
Predicted by the source09:38(+12′)
Departure
Scheduled time09:27
Predicted by the source09:39(+12′)
Denfert Rochereau
Arrival
Scheduled time09:29
Predicted by the source09:41(+12′)
Departure
Scheduled time09:30
Predicted by the source09:42(+12′)
Port Royal
Arrival
Scheduled time09:31
Predicted by the source09:43(+12′)
Departure
Scheduled time09:31
Predicted by the source09:44(+13′)
Luxembourg
Arrival
Scheduled time09:32
Predicted by the source09:45(+13′)
Departure
Scheduled time09:33
Predicted by the source09:46(+13′)
Saint-Michel
Arrival
Scheduled time09:34
Predicted by the source09:47(+13′)
Departure
Scheduled time09:35
Predicted by the source09:48(+13′)
Châtelet les Halles
Arrival
Scheduled time09:37
Predicted by the source09:49(+12′)
Departure
Scheduled time09:38
Predicted by the source09:50(+12′)
Gare du Nord
Arrival
Scheduled time09:41
Predicted by the source09:53(+12′)
Departure
Scheduled time09:42
Predicted by the source09:54(+12′)
La Plaine Stade de France - Saint-Denis - Aubervilliers
Arrival
Scheduled time09:46
Predicted by the source10:01(+15′)
Departure
Scheduled time09:47
Predicted by the source10:02(+15′)
La Courneuve - Aubervilliers
Arrival
Scheduled time09:49
Predicted by the source10:04(+15′)
Departure
Scheduled time09:49
Predicted by the source10:04(+15′)
Le Bourget
Arrival
Scheduled time09:52
Predicted by the source10:07(+15′)
Departure
Scheduled time09:52
Predicted by the source10:08(+16′)
Drancy
Arrival
Scheduled time09:55
Predicted by the source10:09(+14′)
Departure
Scheduled time09:55
Predicted by the source10:09(+14′)
Le Blanc-Mesnil
Arrival
Scheduled time09:57
Predicted by the source10:12(+15′)
Departure
Scheduled time09:57
Predicted by the source10:13(+16′)
Aulnay-sous-Bois
Arrival
Scheduled time09:59
Predicted by the source10:14(+15′)
Departure
Scheduled time10:00
Predicted by the source10:15(+15′)
Sevran - Livry
Arrival
Scheduled time10:03
Predicted by the source10:18(+15′)
Departure
Scheduled time10:03
Predicted by the source10:19(+16′)
Vert Galant
Arrival
Scheduled time10:06
Predicted by the source10:20(+14′)
Departure
Scheduled time10:06
Predicted by the source10:21(+15′)
Villeparisis - Mitry-le-Neuf
Arrival
Scheduled time10:09
Predicted by the source10:23(+14′)
Departure
Scheduled time10:09
Predicted by the source10:24(+15′)
Mitry - Claye
Arrival
Scheduled time10:13
Predicted by the source10:29(+16′)

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+2.7 min

max delay+21 min

runs reported4

stops39

Delay values

DateDelay (min)

2026-09-074.076923076923077

2026-09-080.10256410256410256

2026-09-090

2026-09-106.435897435897436

Typical schedule

Stops and times of RER IDOR41 from Saint-Rémy-lès-Chevreuse to Mitry - Claye on a typical weekday. Actual times may vary.

StopArrivalDeparture

Saint-Rémy-lès-Chevreuse—08:38

Courcelle sur Yvette08:4108:42

Gif-sur-Yvette08:4408:45

La Hacquinière08:4608:47

Bures-sur-Yvette08:4808:49

Orsay08:5108:51

Le Guichet08:5308:53

Lozère08:5508:56

Palaiseau - Villebon-sur-Yvette08:5808:58

Palaiseau08:5909:00

Massy - Palaiseau09:0209:03

Massy - Verrières-le-Buisson09:0409:05

Les Baconnets09:0609:07

Fontaine Michalon09:0809:08

Antony09:1009:11

La Croix de Berny09:1209:13

Parc de Sceaux09:1409:14

Bourg-la-Reine09:1609:17

Bagneux09:1909:19

Arcueil - Cachan09:2009:21

Laplace09:2309:23

Gentilly09:2409:25

Cité Universitaire09:2609:27

Denfert Rochereau09:2909:30

Port Royal09:3109:31

Luxembourg09:3209:33

Saint-Michel09:3409:35

Châtelet les Halles09:3709:38

Gare du Nord09:4109:42

La Plaine Stade de France - Saint-Denis - Aubervilliers09:4609:47

La Courneuve - Aubervilliers09:4909:49

Le Bourget09:5209:52

Drancy09:5509:55

Le Blanc-Mesnil09:5709:57

Aulnay-sous-Bois09:5910:00

Sevran - Livry10:0310:03

Vert Galant10:0610:06

Villeparisis - Mitry-le-Neuf10:0910:09

Mitry - Claye10:13—

Frequently asked questions

What time does RER IDOR41 depart?

RER IDOR41 departs from Saint-Rémy-lès-Chevreuse at 08:38 (typical schedule from reported times). Actual times may vary.

How many stops does RER IDOR41 make?

RER IDOR41 connects Saint-Rémy-lès-Chevreuse to Mitry - Claye with 39 stops.

Is RER IDOR41 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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