Chiltern Railways 631T10

View line Chiltern Railways

Mon, Tue, Wed, Thu, Fri, Sat Chiltern Railways

It does not run today

Last recorded run: Saturday 10 October −1 min

The mini-map returns when the train runs
On-time · 30 days
96%
23/24 runs under 3 min
RT coverage: 24 full · 0 partial · 0 no data
On-time · 90 days
93%
70/75 runs under 3 min
RT coverage: 75 full · 0 partial · 0 no data
Typical delay
0min
Median at arrival, 90 days
30 days: 0 min
P90
+2min
9 in 10 runs arrive with less than this
30 days: +2 min

Last 30 days

Delay at the end of each run, in minutes. One bar per run.

  • On time (<3 min)
  • 3–10 min
  • 10–30 min
  • 30+ min
  • Partial coverage
  • No data

Worst days

  • Wed 26 Aug Max en route +20 min · last fix heading to Islip +20 min
  • Tue 8 Sept Max en route +16 min · last fix heading to 74425 +15 min
  • Wed 23 Sept Max en route +10 min · last fix heading to 74425 +10 min
  • Tue 25 Aug Max en route +9 min · last fix heading to 74425 +8 min
  • Thu 6 Aug Max en route +3 min · last fix heading to 74425 +3 min

Distribution · 90 days

75 runs with a known final delay. On time = under 3 min, the same cut the map uses.

  • Early 0% · 0
  • On time 93% · 70
  • 3–10 min 3% · 2
  • 10–30 min 4% · 3
  • 30+ min 0% · 0

On-time by weekday

  • 100% M n=12
  • 83% T n=12
  • 85% W n=13
  • 92% T n=13
  • 100% F n=13
  • 100% S n=12
  • — S n=0

Recent runs

DateLast stopFinalMax
Sat 10 OctOxford Parkway 08:42−1 min—
Fri 9 OctOxford Parkway 08:450 min—
Thu 8 OctOxford Parkway 08:450 min+1 min
Wed 7 OctOxford Parkway 08:47+2 min+4 min
Tue 6 OctOxford Parkway 08:450 min—
Mon 5 Oct74425 08:440 min—
Sat 3 Oct74425 08:42−1 min+2 min
Fri 2 Oct74425 08:450 min—
Thu 1 Oct74425 08:450 min+1 min
Wed 30 Sept74425 08:46+2 min+2 min
Tue 29 Sept74425 08:47+2 min+7 min
Mon 28 Sept74425 08:450 min+1 min
Sat 26 Sept74425 08:42−1 min—
Fri 25 Sept74425 08:46+1 min+2 min
Thu 24 Sept74425 08:48+2 min+3 min
Wed 23 Sept74425 08:55+10 min+10 min
Tue 22 Sept74425 08:46+1 min+1 min
Mon 21 Sept74425 08:450 min+6 min
Sat 19 Sept74425 08:43−1 min+1 min
Fri 18 Sept74425 08:450 min+1 min
Thu 17 Sept74425 08:46+1 min+1 min
Wed 16 Sept74425 08:450 min+1 min
Tue 15 Sept74425 08:450 min+6 min
Mon 14 Sept74425 08:47+2 min+3 min
Fri 11 Sept74425 08:450 min+1 min
Thu 10 Sept74425 08:450 min+1 min
Wed 9 Sept74425 08:450 min+3 min
Tue 8 Sept74425 09:00+15 min+16 min
Mon 7 Sept74425 08:450 min+1 min
Sat 5 Sept74425 08:42−1 min+1 min

Each run is closed into train_runs (country, train number, service day) from the live positions. Final delay = last delay seen. Partial coverage: the feed stopped before the final stop (last value used, hatched in the chart). No data: a run without any valid delay; counts as neither on time nor late. Data collected since 11 July 2026.