RER 142877
RERHistorical average delay — home ranking
+2.8 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: (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
- 4
- Cancelled runs, excluded
- 0
- No usable delay, excluded
- 0
Latest source timestamp: 9/6/2026, 10:46:26 AM (Europe/Paris).
Runs are identified within each source. Identities across sources are kept separate without a proven match. Exclusions can overlap.
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.
Delay values
Frequently asked questions
What time does RER 142877 depart?
Not enough recordings yet to establish a typical schedule.
How many stops does RER 142877 make?
RER 142877 connects Musée d'Orsay to Dourdan la Forêt with 19 stops.
Is RER 142877 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.