Chiltern Railways 631T41

View line Chiltern Railways

Daily Chiltern Railways

Running now ยท updated 15:51

Running now 0 min

Today it is running worse than usual: typical arrival delay is โˆ’2 min; 97% of the last 30 runs arrived on time.

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On-time ยท 30 days
97%
29/30 runs under 3 min
RT coverage: 30 full ยท 0 partial ยท 0 no data
On-time ยท 90 days
95%
83/87 runs under 3 min
RT coverage: 87 full ยท 0 partial ยท 0 no data
Typical delay
โˆ’2min
Median at arrival, 90 days
30 days: โˆ’2 min
P90
0min
9 in 10 runs arrive with less than this
30 days: 0 min

Last 30 days

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

  • On time (<3 min)
  • 3โ€“10 min
  • 10โ€“30 min
  • 30+ min
  • Partial coverage
  • No data

Worst days

  • Sun 4 Oct Max en route +15 min ยท last fix heading to 74425 +13 min
  • Fri 21 Aug Max en route +10 min ยท last fix heading to 74425 +5 min
  • Thu 20 Aug Max en route +9 min ยท last fix heading to 74425 +4 min
  • Fri 14 Aug Max en route +9 min ยท last fix heading to 74425 +4 min

Distribution ยท 90 days

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

  • Early 63% ยท 55
  • On time 32% ยท 28
  • 3โ€“10 min 3% ยท 3
  • 10โ€“30 min 1% ยท 1
  • 30+ min 0% ยท 0

On-time by weekday

  • 100% M n=13
  • 100% T n=12
  • 100% W n=13
  • 92% T n=13
  • 85% F n=13
  • 100% S n=11
  • 92% S n=12

Recent runs

DateLast stopFinalMax
Fri 30 OctPrinces Risborough 15:490 minโ€”
Thu 29 OctOxford Parkway 16:35โˆ’3 minโ€”
Wed 28 OctOxford Parkway 16:36โˆ’3 min+3 min
Tue 27 OctOxford Parkway 16:40+2 min+7 min
Mon 26 OctOxford Parkway 16:35โˆ’3 minโ€”
Sun 25 OctOxford Parkway 16:46โˆ’1 minโ€”
Sat 24 OctOxford Parkway 16:42โˆ’1 min+1 min
Fri 23 OctOxford Parkway 16:35โˆ’3 min+1 min
Thu 22 OctOxford Parkway 16:40+2 min+2 min
Wed 21 OctOxford Parkway 16:34โˆ’4 minโ€”
Tue 20 OctOxford Parkway 16:35โˆ’3 minโ€”
Mon 19 OctOxford Parkway 16:35โˆ’3 minโ€”
Sun 18 OctOxford Parkway 16:46โˆ’1 minโ€”
Sat 17 OctOxford Parkway 16:41โˆ’1 minโ€”
Fri 16 OctOxford Parkway 16:36โˆ’2 minโ€”
Thu 15 OctOxford Parkway 16:36โˆ’2 minโ€”
Wed 14 OctOxford Parkway 16:35โˆ’3 minโ€”
Tue 13 OctOxford Parkway 16:35โˆ’2 minโ€”
Mon 12 OctOxford Parkway 16:35โˆ’3 minโ€”
Sun 11 OctOxford Parkway 16:46โˆ’2 minโ€”
Sat 10 OctOxford Parkway 16:430 min+1 min
Fri 9 OctOxford Parkway 16:380 min+2 min
Thu 8 OctOxford Parkway 16:34โˆ’4 minโ€”
Wed 7 OctOxford Parkway 16:35โˆ’3 minโ€”
Tue 6 OctOxford Parkway 16:35โˆ’3 minโ€”
Mon 5 OctOxford Parkway 16:22โˆ’1 minโ€”
Sun 4 Oct74425 17:00+13 min+15 min
Sat 3 Oct74425 16:42โˆ’1 minโ€”
Fri 2 Oct74425 16:35โˆ’3 min+2 min
Thu 1 Oct74425 16:35โˆ’3 minโ€”

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.