RER TAPI01

RER

Boissy-Saint-LégerPoissy

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

Historical average delay — home ranking

+0.1 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: 9. 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: 9
Events confirmed by the source: 0
Events predicted by the source: 2
Unknown event type: 7
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 9/11/2026, 12:47:13 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

Boissy-Saint-Léger
Departure
Scheduled time23:43
Predicted by the source23:46(+3′)
Sucy-en-Brie - Bonneuil-sur-Marne
Arrival
Scheduled time23:46
Predicted by the source23:48(+2′)
Departure
Scheduled time23:46
Predicted by the source23:49(+3′)
La Varenne Saint-Hilaire - Chennevières-sur-Marne
Arrival
Scheduled time23:48
Predicted by the source23:51(+3′)
Departure
Scheduled time23:49
Predicted by the source23:52(+3′)
Champigny
Arrival
Scheduled time23:50
Predicted by the source23:53(+3′)
Departure
Scheduled time23:51
Predicted by the source23:54(+3′)
Le Parc de Saint-Maur RER
Arrival
Scheduled time23:53
Predicted by the source23:55(+2′)
Departure
Scheduled time23:53
Predicted by the source23:56(+3′)
Saint-Maur-des-Fossés - Créteil
Arrival
Scheduled time23:54
Predicted by the source23:57(+3′)
Departure
Scheduled time23:55
Predicted by the source23:58(+3′)
Joinville-le-Pont
Arrival
Scheduled time23:56
Predicted by the source23:59(+3′)
Departure
Scheduled time23:57
Predicted by the source00:01(+4′)
Nogent-sur-Marne
Arrival
Scheduled time23:59
Predicted by the source00:01(+2′)
Departure
Scheduled time23:59
Predicted by the source00:03(+4′)
Fontenay-sous-Bois
Arrival
Scheduled time00:00
Predicted by the source00:03(+3′)
Departure
Scheduled time00:01
Predicted by the source00:04(+3′)
Vincennes
Arrival
Scheduled time00:03
Predicted by the source00:06(+3′)
Departure
Scheduled time00:04
Predicted by the source00:07(+3′)
Nation
Arrival
Scheduled time00:06
Predicted by the source00:09(+3′)
Departure
Scheduled time00:07
Predicted by the source00:10(+3′)
Paris Gare de Lyon
Arrival
Scheduled time00:09
Predicted by the source00:12(+3′)
Departure
Scheduled time00:10
Predicted by the source00:13(+3′)
Châtelet les Halles
Arrival
Scheduled time00:12
Predicted by the source00:15(+3′)
Departure
Scheduled time00:13
Predicted by the source00:16(+3′)
Auber
Arrival
Scheduled time00:15
Predicted by the source00:17(+2′)
Departure
Scheduled time00:16
Predicted by the source00:18(+2′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time00:18
Predicted by the source00:20(+2′)
Departure
Scheduled time00:19
Predicted by the source00:21(+2′)
La Grande Arche de la Défense
Arrival
Scheduled time00:23
Predicted by the source00:24(+1′)
Departure
Scheduled time00:23
Predicted by the source00:25(+2′)
Nanterre Préfecture - RER
Arrival
Scheduled time00:25
Predicted by the source00:26(+1′)
Departure
Scheduled time00:27
Predicted by the source00:28(+1′)
Houilles - Carrières-sur-Seine
Arrival
Scheduled time00:31
Predicted by the source00:32(+1′)
Departure
Scheduled time00:31
Predicted by the source00:31(0′)
Sartrouville
Arrival
Scheduled time00:34
Predicted by the source00:35(+1′)
Departure
Scheduled time00:35
Predicted by the source00:35(0′)
Maisons-Laffitte
Arrival
Scheduled time00:36
Predicted by the source00:37(+1′)
Departure
Scheduled time00:37
Predicted by the source00:37(0′)
Achères Grand Cormier
Arrival
Scheduled time00:42
Predicted by the source00:41(-1′)
Departure
Scheduled time00:42
Predicted by the source00:42(0′)
Poissy
Arrival
Scheduled time00:48
Predicted by the source00:46(-2′)

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 time100%

average delay+0.5 min

max delay+8 min

runs reported9

stops22

Delay values

DateDelay (min)

2026-08-260

2026-08-27-0.23809523809523808

2026-08-281.5238095238095237

2026-08-29-0.23076923076923078

2026-09-040.5

2026-09-070.22727272727272727

2026-09-080.4090909090909091

2026-09-09-0.13636363636363635

2026-09-102.090909090909091

Typical schedule

Stops and times of RER TAPI01 from Boissy-Saint-Léger to Poissy on a typical weekday. Actual times may vary.

StopArrivalDeparture

Boissy-Saint-Léger—23:43

Sucy-en-Brie - Bonneuil-sur-Marne23:4623:46

La Varenne Saint-Hilaire - Chennevières-sur-Marne23:4823:49

Champigny23:5023:51

Le Parc de Saint-Maur RER23:5323:53

Saint-Maur-des-Fossés - Créteil23:5423:55

Joinville-le-Pont23:5623:57

Nogent-sur-Marne23:5923:59

Fontenay-sous-Bois00:0000:01

Vincennes00:0300:04

Nation00:0600:07

Paris Gare de Lyon00:0900:10

Châtelet les Halles00:1200:13

Auber00:1500:16

Charles-de-Gaulle Étoile00:1800:19

La Grande Arche de la Défense00:2300:23

Nanterre Préfecture - RER00:2500:27

Houilles - Carrières-sur-Seine00:3100:31

Sartrouville00:3400:35

Maisons-Laffitte00:3600:37

Achères Grand Cormier00:4200:42

Poissy00:48—

Frequently asked questions

What time does RER TAPI01 depart?

RER TAPI01 departs from Boissy-Saint-Léger at 23:43 (typical schedule from reported times). Actual times may vary.

How many stops does RER TAPI01 make?

RER TAPI01 connects Boissy-Saint-Léger to Poissy with 22 stops.

Is RER TAPI01 on time?

Over the reported runs, RER TAPI01 was reported on time 100% of runs, with an average delay of 0.5 minutes.

Other trains on this line

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

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