RER QIKI78

RER

Saint-Germain-en-LayeMarne la Vallée - Chessy

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

Historical average delay — home ranking

+2.9 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: 7. 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: 7
Events confirmed by the source: 0
Events predicted by the source: 2
Unknown event type: 5
Cancelled runs, excluded: 0
No usable delay, excluded: 0

Latest source timestamp: 9/10/2026, 10:22:29 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

Saint-Germain-en-Laye
Departure
Scheduled time21:14
Predicted by the source21:14(0′)
Le Vésinet - Le Pecq
Arrival
Scheduled time21:17
Predicted by the source21:17(0′)
Departure
Scheduled time21:17
Predicted by the source21:18(+1′)
Le Vésinet
Arrival
Scheduled time21:19
Predicted by the source21:19(0′)
Departure
Scheduled time21:19
Predicted by the source21:20(+1′)
Chatou - Croissy-sur-Seine
Arrival
Scheduled time21:21
Predicted by the source21:22(+1′)
Departure
Scheduled time21:21
Predicted by the source21:23(+2′)
Rueil-Malmaison - RER
Arrival
Scheduled time21:23
Predicted by the source21:24(+1′)
Departure
Scheduled time21:23
Predicted by the source21:25(+2′)
Nanterre RER
Arrival
Scheduled time21:25
Predicted by the source21:27(+2′)
Departure
Scheduled time21:25
Predicted by the source21:28(+3′)
Nanterre Université - RER
Arrival
Scheduled time21:27
Predicted by the source21:29(+2′)
Departure
Scheduled time21:27
Predicted by the source21:30(+3′)
Nanterre Préfecture - RER
Arrival
Scheduled time21:29
Predicted by the source21:31(+2′)
Departure
Scheduled time21:30
Predicted by the source21:32(+2′)
La Grande Arche de la Défense
Arrival
Scheduled time21:31
Predicted by the source21:33(+2′)
Departure
Scheduled time21:32
Predicted by the source21:34(+2′)
Charles-de-Gaulle Étoile
Arrival
Scheduled time21:35
Predicted by the source21:37(+2′)
Departure
Scheduled time21:36
Predicted by the source21:38(+2′)
Auber
Arrival
Scheduled time21:38
Predicted by the source21:40(+2′)
Departure
Scheduled time21:39
Predicted by the source21:41(+2′)
Châtelet les Halles
Arrival
Scheduled time21:41
Predicted by the source21:42(+1′)
Departure
Scheduled time21:41
Predicted by the source21:43(+2′)
Paris Gare de Lyon
Arrival
Scheduled time21:44
Predicted by the source21:45(+1′)
Departure
Scheduled time21:44
Predicted by the source21:46(+2′)
Nation
Arrival
Scheduled time21:46
Predicted by the source21:48(+2′)
Departure
Scheduled time21:47
Predicted by the source21:49(+2′)
Vincennes
Arrival
Scheduled time21:49
Predicted by the source21:51(+2′)
Departure
Scheduled time21:50
Predicted by the source21:52(+2′)
Val de Fontenay
Arrival
Scheduled time21:53
Predicted by the source21:55(+2′)
Departure
Scheduled time21:54
Predicted by the source21:56(+2′)
Neuilly-Plaisance
Arrival
Scheduled time21:56
Predicted by the source21:58(+2′)
Departure
Scheduled time21:56
Predicted by the source21:59(+3′)
Bry-sur-Marne
Arrival
Scheduled time21:58
Predicted by the source22:00(+2′)
Departure
Scheduled time21:58
Predicted by the source22:01(+3′)
Noisy-le-Grand - Mont d'Est
Arrival
Scheduled time22:00
Predicted by the source22:02(+2′)
Departure
Scheduled time22:00
Predicted by the source22:03(+3′)
Noisy-le-Grand Champs
Arrival
Scheduled time22:03
Predicted by the source22:04(+1′)
Departure
Scheduled time22:03
Predicted by the source22:06(+3′)
Noisiel
Arrival
Scheduled time22:05
Predicted by the source22:08(+3′)
Departure
Scheduled time22:06
Predicted by the source22:09(+3′)
Lognes
Arrival
Scheduled time22:07
Predicted by the source22:10(+3′)
Departure
Scheduled time22:08
Predicted by the source22:11(+3′)
Torcy
Arrival
Scheduled time22:09
Predicted by the source22:12(+3′)
Departure
Scheduled time22:10
Predicted by the source22:14(+4′)
Bussy-Saint-Georges
Arrival
Scheduled time22:14
Predicted by the source22:17(+3′)
Departure
Scheduled time22:14
Predicted by the source22:18(+4′)
Val d'Europe
Arrival
Scheduled time22:17
Predicted by the source22:21(+4′)
Departure
Scheduled time22:18
Predicted by the source22:22(+4′)
Marne la Vallée - Chessy
Arrival
Scheduled time22:21
Predicted by the source22:23(+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 time50%

average delay+1.8 min

max delay+7 min

runs reported7

stops26

Delay values

DateDelay (min)

2026-08-27-0.12

2026-08-280

2026-09-044.076923076923077

2026-09-071.6153846153846154

2026-09-081.4230769230769231

2026-09-093.1153846153846154

2026-09-102.3846153846153846

Typical schedule

Stops and times of RER QIKI78 from Saint-Germain-en-Laye to Marne la Vallée - Chessy on a typical weekday. Actual times may vary.

StopArrivalDeparture

Saint-Germain-en-Laye—21:14

Le Vésinet - Le Pecq21:1721:17

Le Vésinet21:1921:19

Chatou - Croissy-sur-Seine21:2121:21

Rueil-Malmaison - RER21:2321:23

Nanterre RER21:2521:25

Nanterre Université - RER21:2721:27

Nanterre Préfecture - RER21:2921:30

La Grande Arche de la Défense21:3121:32

Charles-de-Gaulle Étoile21:3521:36

Auber21:3821:39

Châtelet les Halles21:4121:41

Paris Gare de Lyon21:4421:44

Nation21:4621:47

Vincennes21:4921:50

Val de Fontenay21:5321:54

Neuilly-Plaisance21:5621:56

Bry-sur-Marne21:5821:58

Noisy-le-Grand - Mont d'Est22:0022:00

Noisy-le-Grand Champs22:0322:03

Noisiel22:0522:06

Lognes22:0722:08

Torcy22:0922:10

Bussy-Saint-Georges22:1422:14

Val d'Europe22:1722:18

Marne la Vallée - Chessy22:20—

Frequently asked questions

What time does RER QIKI78 depart?

RER QIKI78 departs from Saint-Germain-en-Laye at 21:14 (typical schedule from reported times). Actual times may vary.

How many stops does RER QIKI78 make?

RER QIKI78 connects Saint-Germain-en-Laye to Marne la Vallée - Chessy with 26 stops.

Is RER QIKI78 on time?

Over the reported runs, RER QIKI78 was reported on time 50% of runs, with an average delay of 1.8 minutes.

Other trains on this line

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

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