← Great Western Railway Historical
Great Western Railway

Outer Thames Valley - London

Historical
·
Daily Monthly
Average on time
73.1%
Over this period
Best day
93.9%
Worst day
21.1%
Data points
76
Days tracked
Daily PPM — last 3 months
Percentage of trains on time at final destination
On time
Late
V. late/cancelled
Data
Date
Breakdown
On time
Late
V. late
2026-10-15
69.2%
29.1%
1.7%
2026-10-14
67.1%
22.1%
10.7%
2026-10-13
89.3%
10.7%
0%
2026-10-12
69.2%
24.7%
6.2%
2026-10-11
86.4%
13.6%
0%
2026-10-10
85.7%
13.6%
0.7%
2026-10-09
85%
13.6%
1.4%
2026-10-08
78.1%
21.9%
0%
2026-10-07
66.4%
25.3%
8.2%
2026-10-06
83.6%
15.8%
0.7%
2026-10-05
88.9%
11.1%
0%
2026-10-04
90.5%
9.5%
0%
2026-10-03
93.2%
6.1%
0.7%
2026-10-02
84.5%
14.2%
1.4%
2026-10-01
70.9%
28.4%
0.7%
2026-09-30
68.2%
29.7%
2%
2026-09-29
80.4%
18.2%
1.4%
2026-09-28
72.4%
22.1%
5.5%
2026-09-27
68.7%
31.3%
0%
2026-09-26
66.9%
20%
13.1%
2026-09-25
49%
43.5%
7.5%
2026-09-24
67.6%
29.7%
2.7%
2026-09-23
67.2%
21.6%
11.2%
2026-09-22
65%
13.3%
21.7%
2026-09-21
77.2%
18.6%
4.1%
2026-09-20
54%
20.6%
25.4%
2026-09-19
90.8%
8.5%
0.7%
2026-09-18
65.5%
20.9%
13.5%
2026-09-17
79.6%
20.4%
0%
2026-09-16
66.7%
29.3%
4.1%
2026-09-15
76.5%
22.8%
0.7%
2026-09-14
35.4%
13.9%
50.7%
2026-09-13
79%
17.7%
3.2%
2026-09-12
83.2%
11.5%
5.3%
2026-09-11
78.6%
19.3%
2.1%
2026-09-10
62.8%
24.8%
12.4%
2026-09-09
81.8%
16.1%
2.1%
2026-09-08
75.5%
21.7%
2.8%
2026-09-07
72.3%
22.7%
5%
2026-09-06
52.4%
44.4%
3.2%
2026-09-05
62.8%
14.2%
23%
2026-09-04
75.7%
19.6%
4.7%
2026-09-03
83.1%
14.2%
2.7%
2026-09-02
80.4%
18.2%
1.4%
2026-09-01
77%
21.6%
1.4%
2026-08-31
84.8%
11.3%
4%
2026-08-30
76.6%
18.8%
4.7%
2026-08-29
79.7%
15.5%
4.7%
2026-08-28
81%
12.9%
6.1%
2026-08-27
62.1%
24.8%
13.1%
2026-08-26
82.2%
17.1%
0.7%
2026-08-25
90.4%
8.9%
0.7%
2026-08-24
70.1%
26.4%
3.5%
2026-08-23
79.4%
12.7%
7.9%
2026-08-22
85%
15%
0%
2026-08-21
80.4%
17.6%
2%
2026-08-20
75%
20.3%
4.7%
2026-08-19
47.3%
35.8%
16.9%
2026-08-18
64.9%
28.4%
6.8%
2026-08-17
60.7%
20%
19.3%
2026-08-16
88.7%
11.3%
0%
2026-08-15
81.3%
12.3%
6.5%
2026-08-14
50.4%
20%
29.6%
2026-08-13
46.4%
20.9%
32.7%
2026-08-12
21.1%
17%
61.9%
2026-08-11
71.4%
18.4%
10.2%
2026-08-10
79%
10.5%
10.5%
2026-08-09
69.4%
17.7%
12.9%
2026-08-08
93.9%
4.8%
1.4%
2026-08-07
78.4%
16.2%
5.4%
2026-08-06
73.6%
14.9%
11.5%
2026-08-05
84.4%
14.3%
1.4%
2026-08-04
40.8%
26.5%
32.7%
2026-08-03
79.9%
18.7%
1.5%
2026-08-02
67.7%
21%
11.3%
2026-08-01
83.7%
15.6%
0.7%