RER UZEL21
RERHistorical average delay — home ranking
No verified historical average available for this ranking.
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
- 0
- Cancelled runs, excluded
- 2
- No usable delay, excluded
- 0
Latest source timestamp: 8/28/2026, 9:38:27 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 UZEL21 depart?
Not enough recordings yet to establish a typical schedule.
How many stops does RER UZEL21 make?
RER UZEL21 connects Boissy-Saint-Léger to Sartrouville with 25 stops.
Is RER UZEL21 on time?
Over the reported runs, every run of RER UZEL21 was cancelled (2 runs): punctuality cannot be established.
Other trains on this line
Live status and delays for the other trains serving the same stations.