RER 148844

RER
Dourdan la ForêtMusée d'Orsay
Passages not confirmedTimes reported by the data source. Passages are not confirmed.

Punctuality : 86% on time · average delay +0.4 min · over 7 observed days

Usually

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

Departs
16:07 · Dourdan
Arrives
17:21
Journey time
1 h 14
Stops
18
Runs
Weekends

Next scheduled journey — timetable

Latest source data: 2 min ago.

Waiting for departure — estimated departure at 16:07

Estimated progress: filled dots before the next stop, a ring at the next stop, empty dots afterwards. Passages not confirmed.

  1. Next stop (estimated)
    Dourdan
    Arrival
    Scheduled time
    Estimated (timetable + current delay)(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  2. Later stop (estimated)
    Sermaise
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  3. Later stop (estimated)
    Saint-Chéron
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  4. Later stop (estimated)
    Breuillet Village
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  5. Later stop (estimated)
    Breuillet - Bruyères-le-Châtel
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  6. Later stop (estimated)
    Égly
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  7. Later stop (estimated)
    Arpajon
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  8. Later stop (estimated)
    La Norville - Saint-Germain-lès-Arpajon
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  9. Later stop (estimated)
    Brétigny
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  10. Later stop (estimated)
    Saint-Michel-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  11. Later stop (estimated)
    Sainte-Geneviève-des-Bois
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  12. Later stop (estimated)
    Épinay-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  13. Later stop (estimated)
    Savigny-sur-Orge
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  14. Later stop (estimated)
    Juvisy
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  15. Later stop (estimated)
    Bibliothèque François Mitterrand
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  16. Later stop (estimated)
    Gare d'Austerlitz
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  17. Later stop (estimated)
    Saint-Michel Notre-Dame
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  18. Later stop (estimated)
    Musée d'Orsay
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Estimated (timetable + current delay)(0′)

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 time86%
average delay+0.4 min
max delay+31 min
runs reported7
stops18
-1m2m5m10/1018/1031/10
Delay values
DateDelay (min)
2026-10-10-0.13333333333333333
2026-10-111.0714285714285714
2026-10-170.47368421052631576
2026-10-18-0.16666666666666666
2026-10-240.4
2026-10-251.6111111111111112
2026-10-31-0.5789473684210527
Historical average delay — home ranking: +4.4 min (over 7 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: 7. 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: 10/1/2026, 7:28:43 PM – 10/31/2026, 6:28:43 PM (Europe/Paris).

Runs in the window
7
Events confirmed by the source
0
Events predicted by the source
7
Unknown event type
0
Cancelled runs, excluded
0
No usable delay, excluded
0

Latest source timestamp: 10/31/2026, 5:18:11 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 148844 from Dourdan la Forêt to Musée d'Orsay on a typical weekday. Actual times may vary.

StopArrivalDeparture
Dourdan16:0716:07
Sermaise16:1216:12
Saint-Chéron16:1716:17
Breuillet Village16:2116:22
Breuillet - Bruyères-le-Châtel16:2516:25
Égly16:2816:29
Arpajon16:3116:32
La Norville - Saint-Germain-lès-Arpajon16:3516:35
Brétigny16:4016:41
Saint-Michel-sur-Orge16:4416:45
Sainte-Geneviève-des-Bois16:4716:48
Épinay-sur-Orge16:5016:51
Savigny-sur-Orge16:5316:54
Juvisy16:5716:59
Bibliothèque François Mitterrand17:1017:11
Gare d'Austerlitz17:1317:14
Saint-Michel Notre-Dame17:1717:18
Musée d'Orsay17:2117:21

Frequently asked questions

What time does RER 148844 depart?

RER 148844 departs from Dourdan at 16:07 (typical schedule from reported times). Actual times may vary.

How many stops does RER 148844 make?

RER 148844 connects Dourdan la Forêt to Musée d'Orsay with 18 stops.

Is RER 148844 on time?

Over the reported runs, RER 148844 was reported on time 86% of runs, with an average delay of 0.4 minutes.

Other trains on this line

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

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