RER 120021

RER
Nanterre-La-FolieMagenta

Next scheduled journey — timetable: 2026-11-01

Punctuality : 100% on time · average delay −0.2 min · over 29 observed days

Usually

Usual times are calculated from past runs. See the selected run’s timetable below.

Departs
22:30
Arrives
22:43
Journey time
13 min
Stops
5
Runs
Every day

Next scheduled journey — timetable

  1. Nanterre-La-FolieScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  2. La DéfenseScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  3. Neuilly - Porte MaillotScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  4. Haussmann Saint-LazareScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled time
  5. MagentaScheduled, not tracked
    Arrival
    Scheduled time
    Departure
    Scheduled 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.

runs reported on time100%
average delay−0.2 min
max delay+6 min
runs reported29
stops5
-2m1m5m3/1017/1031/10
Delay values
DateDelay (min)
2026-10-03-0.4
2026-10-04-0.8
2026-10-05-0.6
2026-10-060.2
2026-10-07-0.6
2026-10-080.2
2026-10-090.4
2026-10-10-0.6
2026-10-115
2026-10-12-0.6
2026-10-13-0.6
2026-10-144.6
2026-10-15-0.6
2026-10-16-0.6
2026-10-17-0.6
2026-10-18-0.6
2026-10-19-2.4
2026-10-20-0.4
2026-10-21-0.8
2026-10-22-0.6
2026-10-23-0.6
2026-10-24-0.6
2026-10-25-0.6
2026-10-26-0.6
2026-10-27-0.6
2026-10-28-0.6
2026-10-29-0.6
2026-10-30-0.6
2026-10-31-0.6
Historical average delay — home ranking: +0.5 min (over 29 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: 29. 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: 10/2/2026, 6:28:10 PM – 11/1/2026, 5:28:10 PM (Europe/Paris).

Runs in the window
29
Events confirmed by the source
0
Events predicted by the source
29
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 10/31/2026, 10:41:45 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 120021 from Nanterre-La-Folie to Magenta on a typical weekday. Actual times may vary.

StopArrivalDeparture
Nanterre-La-Folie22:3022:30
La Défense22:3222:33
Neuilly - Porte Maillot22:3622:37
Haussmann Saint-Lazare22:4022:41
Magenta22:4322:43

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, RER 120021 was reported on time 100% of runs, with an average delay of -0.2 minutes.

Other trains on this line

Live status and delays for the other trains serving the same stations.

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