RER 120021

RER
Nanterre-La-FolieMagenta
CancelledAll 5 stops on this run are reported cancelled.

Historical average delay — home ranking

+1.3 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: 3. 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
3
Cancelled runs, excluded
1
No usable delay, excluded
0

Latest source timestamp: 9/6/2026, 10:26:11 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

  1. Nanterre La FolieCancelled
    Departure
    Scheduled time
    Provenance unavailable
  2. La Défense Grande Arche RER ECancelled
    Arrival
    Scheduled time
    Provenance unavailable
    Departure
    Scheduled time
    Provenance unavailable
  3. Neuilly Porte Maillot RER ECancelled
    Arrival
    Scheduled time
    Provenance unavailable
    Departure
    Scheduled time
    Provenance unavailable
  4. Haussmann - Saint-LazareCancelled
    Arrival
    Scheduled time
    Provenance unavailable
    Departure
    Scheduled time
    Provenance unavailable
  5. MagentaCancelled
    Arrival
    Scheduled time
    Provenance unavailable

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.

runs reported on time—
average delay+1.9 min
max delay+4 min
runs reported3
cancelled runs1
stops5
0m3m5m27/828/85/9
Delay values
DateDelay (min)
2026-08-271.8
2026-08-280
2026-09-053.8

Typical schedule

Stops and times of RER 120021 from Nanterre-La-Folie to Magenta on a typical weekday. Actual times may vary.

StopArrivalDeparture
Nanterre La Folie—22:30
La Défense Grande Arche RER E22:3222:33
Neuilly Porte Maillot RER E22:3622:37
Haussmann - Saint-Lazare22:4022:41
Magenta22:43—

Frequently asked questions

What time does RER 120021 depart?

RER 120021 departs from Nanterre La Folie at 22:30 (typical schedule from reported times). Actual times may vary.

How many stops does RER 120021 make?

RER 120021 connects Nanterre-La-Folie to Magenta with 5 stops.

Is RER 120021 on time?

Over the reported runs, every run of RER 120021 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.

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