RER 148856-148857
RERNext scheduled journey — timetable: 2026-11-02
Punctuality : 89% on time · average delay +3.1 min · over 19 observed days
Usually
- Departs
- 17:35
- Arrives
- 19:36
- Journey time
- 2 h 01
- Stops
- 32
- Runs
- Monday to Friday
Next scheduled journey — timetable
- Dourdan la ForêtScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- DourdanScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- SermaiseScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Saint-ChéronScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Breuillet VillageScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Breuillet - Bruyères-le-ChâtelScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- ÉglyScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- ArpajonScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- La Norville - Saint-Germain-lès-ArpajonScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- BrétignyScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Saint-Michel-sur-OrgeScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Sainte-Geneviève-des-BoisScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Épinay-sur-OrgeScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Savigny-sur-OrgeScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- JuvisyScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Bibliothèque François MitterrandScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Gare d'AusterlitzScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Saint-Michel Notre-DameScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Musée d'OrsayScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- InvalidesScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Pont de l'AlmaScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Champ de Mars Tour EiffelScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- JavelScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Pont du Garigliano - Hôpital Européen G. PompidouScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Issy Val de SeineScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- IssyScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Meudon Val FleuryScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Chaville - VélizyScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Viroflay Rive GaucheScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Versailles ChantiersScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Saint-CyrScheduled, not trackedArrivalScheduled timeDepartureScheduled time
- Saint-Quentin en Yvelines - Montigny-le-BretonneuxScheduled, not trackedArrivalScheduled timeDepartureScheduled time
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.
Delay values
Historical average delay — home ranking: +3.9 min (over 19 runs)
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: 19. Calculated on: (Europe/Paris).
This average can be available without a complete route. The route statistics below use only recorded routes with their stops.
Calculation window: 10/1/2026, 10:28:34 PM – 10/31/2026, 9:28:34 PM (Europe/Paris).
- Runs in the window
- 20
- Events confirmed by the source
- 0
- Events predicted by the source
- 19
- Unknown event type
- 0
- Cancelled runs, excluded
- 1
- No usable delay, excluded
- 0
Latest source timestamp: 10/30/2026, 7:35:13 PM (Europe/Paris).
Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.
Typical schedule
Stops and times of RER 148856-148857 from Dourdan la Forêt to Saint-Quentin en Yvelines - Montigny-le-Bretonneux on a typical weekday. Actual times may vary.
Frequently asked questions
What time does RER 148856-148857 depart?
RER 148856-148857 departs from Dourdan la Forêt at 17:35 (typical schedule from reported times). Actual times may vary.
How many stops does RER 148856-148857 make?
RER 148856-148857 connects Dourdan la Forêt to Saint-Quentin en Yvelines - Montigny-le-Bretonneux with 32 stops.
Is RER 148856-148857 on time?
Over the reported runs, RER 148856-148857 was reported on time 89% of runs, with an average delay of 3.1 minutes. 1 cancelled run is excluded from the calculation.
Other trains on this line
Live status and delays for the other trains serving the same stations.