TGV 8637

TGV
Paris - Montparnasse - Hall 1 & 2Brest
Passages not confirmedTimes reported by the data source. Passages are not confirmed.

Historical average delay — home ranking

+0.6 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: 15. 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
16
Events confirmed by the source
0
Events predicted by the source
3
Unknown event type
12
Cancelled runs, excluded
0
No usable delay, excluded
1

Latest source timestamp: 9/10/2026, 9:18:39 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. Paris Montparnasse Hall 1 - 2Scheduled, not tracked
    Departure
    Scheduled time
    Predicted by the source(0′)
  2. RennesScheduled, not tracked
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  3. Saint-BrieucScheduled, not tracked
    Arrival
    Scheduled time
    Predicted by the source(0′)
    Departure
    Scheduled time
    Predicted by the source(0′)
  4. BrestScheduled, not tracked
    Arrival
    Scheduled time
    Predicted by the source(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 time—
average delay+0.9 min
max delay+17 min
runs reported14
stops4
0m4m7m27/85/910/9
Delay values
DateDelay (min)
2026-08-271.1666666666666667
2026-08-287
2026-08-290.5
2026-08-300.16666666666666666
2026-08-310.16666666666666666
2026-09-030.1
2026-09-050.16666666666666666
2026-09-060.16666666666666666
2026-09-070.8333333333333334
2026-09-070
2026-09-080.3333333333333333
2026-09-080
2026-09-091.5
2026-09-100.3333333333333333

Typical schedule

Stops and times of TGV 8637 from Paris - Montparnasse - Hall 1 & 2 to Brest on a typical weekday. Actual times may vary.

StopArrivalDeparture
Paris Montparnasse Hall 1 - 2—18:00
Rennes19:2519:33
Saint-Brieuc20:1820:21
Brest21:29—

Frequently asked questions

What time does TGV 8637 depart?

TGV 8637 departs from Paris Montparnasse Hall 1 - 2 at 18:00 (typical schedule from reported times). Actual times may vary.

How many stops does TGV 8637 make?

TGV 8637 connects Paris - Montparnasse - Hall 1 & 2 to Brest with 4 stops.

Is TGV 8637 on time?

Not enough reported runs yet to establish punctuality.

Other trains on this line

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

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