Chiltern Railways 631R53

View line Chiltern Railways

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

Running now · updated 20:14

Running now −1 min

Today it is running no worse than usual: typical arrival delay is 0 min; 75% of the last 24 runs arrived on time.

On-time · 30 days
75%
18/24 runs under 3 min
RT coverage: 24 full · 0 partial · 0 no data
On-time · 90 days
59%
44/75 runs under 3 min
RT coverage: 75 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: 0 min
P90
+17min
9 in 10 runs arrive with less than this
30 days: +21 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

  • Thu 24 Sept Max en route +53 min · last fix heading to 66421 +50 min
  • Fri 28 Aug Max en route +38 min · last fix heading to 66421 +35 min
  • Sun 4 Oct Max en route +32 min · last fix heading to 66421 +29 min
  • Tue 14 Jul Max en route +29 min · last fix heading to 66421 +29 min
  • Sun 16 Aug Max en route +30 min · last fix heading to 66421 +25 min

Distribution · 90 days

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

  • Early 13% · 10
  • On time 45% · 34
  • 3–10 min 21% · 16
  • 10–30 min 17% · 13
  • 30+ min 3% · 2

On-time by weekday

  • 67% M n=12
  • 54% T n=13
  • 69% W n=13
  • 62% T n=13
  • 50% F n=12
  • — S n=0
  • 50% S n=12

Recent runs

DateLast stopFinalMax
Sun 11 OctTyseley 20:14−1 min—
Fri 9 OctTyseley 20:140 min+5 min
Thu 8 OctTyseley 20:14+1 min+5 min
Wed 7 OctTyseley 20:14−1 min+2 min
Tue 6 OctTyseley 20:16+1 min+4 min
Mon 5 OctTyseley 20:13−1 min+2 min
Sun 4 Oct66421 20:44+29 min+32 min
Fri 2 Oct66421 20:37+23 min+27 min
Thu 1 Oct66421 20:16+2 min+6 min
Wed 30 Sept66421 20:140 min+5 min
Tue 29 Sept66421 20:30+16 min+18 min
Mon 28 Sept66421 20:17+2 min+6 min
Sun 27 Sept66421 20:150 min+7 min
Fri 25 Sept66421 20:15−1 min+3 min
Thu 24 Sept66421 21:05+50 min+53 min
Wed 23 Sept66421 20:140 min+6 min
Tue 22 Sept66421 20:13−2 min+2 min
Mon 21 Sept66421 20:20+6 min+8 min
Sun 20 Sept66421 20:10−2 min+3 min
Fri 18 Sept66421 20:11−3 min+4 min
Thu 17 Sept66421 20:12−3 min+1 min
Wed 16 Sept66421 20:140 min+4 min
Tue 15 Sept66421 20:17+3 min+6 min
Mon 14 Sept66421 20:13−2 min+2 min
Fri 11 Sept66421 20:26+10 min+14 min
Thu 10 Sept66421 20:12−2 min+2 min
Wed 9 Sept66421 20:13−2 min+4 min
Tue 8 Sept66421 20:24+10 min+12 min
Mon 7 Sept66421 20:17+2 min+6 min
Sun 6 Sept66421 20:21+6 min+8 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.