GWR 771L15

View line GWR

Mon, Tue, Wed, Thu, Fri GWR

✓ Today’s run finished

Today, last fix heading to Maidenhead at 12:56 0 min

The mini-map returns when the train runs
On-time · 30 days
50%
10/20 runs under 3 min
RT coverage: 20 full · 0 partial · 0 no data
On-time · 90 days
40%
17/43 runs under 3 min
RT coverage: 43 full · 0 partial · 0 no data
Typical delay
+4min
Median at arrival, 90 days
30 days: +3 min
P90
+13min
9 in 10 runs arrive with less than this
30 days: +9 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

  • Mon 24 Aug Max en route +41 min · last fix heading to 73251 +38 min
  • Thu 13 Aug Max en route +33 min · last fix heading to 73251 +33 min
  • Wed 2 Sept Max en route +29 min · last fix heading to Goring & Streatley +25 min
  • Mon 7 Sept Max en route +18 min · last fix heading to 73251 +18 min
  • Thu 27 Aug Max en route +14 min · last fix heading to 73251 +14 min

Distribution · 90 days

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

  • Early 5% · 2
  • On time 35% · 15
  • 3–10 min 40% · 17
  • 10–30 min 16% · 7
  • 30+ min 5% · 2

On-time by weekday

  • 44% M n=9
  • 40% T n=10
  • 25% W n=8
  • 56% T n=9
  • 29% F n=7
  • — S n=0
  • — S n=0

Recent runs

DateLast stopFinalMax
Wed 14 OctMaidenhead 12:560 min+3 min
Tue 13 OctSlough 13:08+11 min+14 min
Mon 12 OctMaidenhead 13:04+6 min+6 min
Fri 9 OctMaidenhead 12:58+1 min+2 min
Thu 8 OctMaidenhead 12:59+2 min+2 min
Wed 7 OctMaidenhead 13:00+3 min+3 min
Tue 6 OctMaidenhead 13:03+6 min+9 min
Mon 5 OctMaidenhead 13:02+5 min+10 min
Fri 2 Oct73251 13:00+3 min+6 min
Thu 1 Oct73251 12:570 min+6 min
Wed 30 Sept73251 13:01+4 min+5 min
Tue 29 Sept73251 12:59+2 min+3 min
Mon 28 Sept73251 12:59+2 min+2 min
Fri 25 Sept73251 12:570 min+4 min
Thu 24 Sept73251 12:56−1 min+4 min
Tue 22 Sept73251 12:59+2 min+2 min
Mon 21 Sept73251 12:570 min+1 min
Thu 17 Sept73251 13:00+3 min+3 min
Wed 16 Sept73251 13:06+9 min+16 min
Tue 15 Sept73251 13:07+10 min+14 min
Fri 11 Sept73251 13:01+4 min+5 min
Thu 10 Sept73251 13:08+11 min+15 min
Wed 9 Sept73251 12:54−3 min+3 min
Tue 8 Sept73251 12:570 min+3 min
Mon 7 Sept73251 13:15+18 min+18 min
Fri 4 Sept73251 13:06+9 min+9 min
Thu 3 Sept73251 12:570 min+3 min
Wed 2 SeptGoring & Streatley 13:22+25 min+29 min
Tue 1 Sept73251 13:01+4 min+4 min
Mon 31 Aug73251 12:59+2 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.