Chiltern Railways 742Y87

View line Chiltern Railways

Mon, Tue, Wed, Thu, Fri Chiltern Railways

It does not run today

Last recorded run: Tuesday 20 October +1 min

The mini-map returns when the train runs
On-time · 30 days
90%
19/21 runs under 3 min
RT coverage: 21 full · 0 partial · 0 no data
On-time · 90 days
76%
48/63 runs under 3 min
RT coverage: 63 full · 0 partial · 0 no data
Typical delay
+2min
Median at arrival, 90 days
30 days: +1 min
P90
+4min
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

  • Thu 30 Jul Max en route +31 min · last fix heading to 63018 +31 min
  • Sat 15 Aug Max en route +11 min · last fix heading to — +11 min
  • Fri 14 Aug Max en route +12 min · last fix heading to 63018 +10 min
  • Thu 6 Aug Max en route +9 min · last fix heading to 63018 +9 min
  • Tue 6 Oct Max en route +8 min · last fix heading to Wembley Stadium +6 min

Distribution · 90 days

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

  • Early 0% · 0
  • On time 76% · 48
  • 3–10 min 19% · 12
  • 10–30 min 3% · 2
  • 30+ min 2% · 1

On-time by weekday

  • 75% M n=12
  • 77% T n=13
  • 75% W n=12
  • 67% T n=12
  • 92% F n=13
  • 0% S n=1
  • — S n=0

Recent runs

DateLast stopFinalMax
Tue 20 OctWembley Stadium 00:24+1 min+1 min
Mon 19 OctWembley Stadium 00:24+1 min+1 min
Fri 16 OctWembley Stadium 00:24+2 min+2 min
Thu 15 OctWembley Stadium 00:230 min+1 min
Wed 14 OctWembley Stadium 00:22−1 min+3 min
Tue 13 OctWembley Stadium 00:24+1 min+1 min
Mon 12 OctWembley Stadium 00:24+1 min+1 min
Fri 9 OctWembley Stadium 00:25+2 min+2 min
Thu 8 OctWembley Stadium 00:25+2 min+2 min
Wed 7 OctWembley Stadium 00:25+2 min+2 min
Tue 6 OctWembley Stadium 00:29+6 min+8 min
Mon 5 OctWembley Stadium 00:25+2 min+2 min
Fri 2 Oct63018 00:24+1 min+2 min
Thu 1 Oct63018 00:24+1 min+2 min
Wed 30 Sept63018 00:25+2 min+2 min
Tue 29 Sept63018 00:25+2 min+2 min
Mon 28 Sept63018 00:24+1 min+2 min
Fri 25 Sept63018 00:24+1 min+1 min
Thu 24 Sept63018 00:24+1 min+1 min
Wed 23 Sept63018 00:24+1 min+1 min
Tue 22 Sept63018 00:27+4 min+4 min
Mon 21 Sept63018 00:26+3 min+3 min
Fri 18 Sept63018 00:24+1 min+2 min
Thu 17 Sept63018 00:25+1 min+2 min
Wed 16 Sept63018 00:25+2 min+2 min
Tue 15 Sept63018 00:24+2 min+2 min
Mon 14 Sept63018 00:29+5 min+5 min
Fri 11 Sept63018 00:25+2 min+2 min
Thu 10 Sept63018 00:26+3 min+3 min
Wed 9 Sept63018 00:27+3 min+3 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.