RER EPIR21
RERHistorical average delay — home ranking
+6 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: 1. 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
- 2
- Events confirmed by the source
- 0
- Events predicted by the source
- 0
- Unknown event type
- 1
- Cancelled runs, excluded
- 1
- No usable delay, excluded
- 0
Latest source timestamp: 8/28/2026, 12:10:18 PM (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.
Cancelled runs are excluded from the punctuality calculation.
Frequently asked questions
What time does RER EPIR21 depart?
Not enough recordings yet to establish a typical schedule.
How many stops does RER EPIR21 make?
RER EPIR21 connects Saint-Rémy-lès-Chevreuse to Aéroport - Charles-de-Gaulle 2 RER with 42 stops.
Is RER EPIR21 on time?
Over the reported runs, every run of RER EPIR21 was cancelled (1 run): punctuality cannot be established.
Other trains on this line
Live status and delays for the other trains serving the same stations.