← Great Western Railway Historical
Great Western Railway

Outer Thames Valley - London

Historical
·
Daily Monthly
Average on time
70.8%
Over this period
Best day
95.2%
Worst day
18.8%
Data points
87
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
2026-08-26
86.9%
13.1%
0%
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%
2026-07-31
81.1%
18.2%
0.7%
2026-07-30
71.6%
21.6%
6.8%
2026-07-29
82.1%
13.7%
4.2%
2026-07-28
84.5%
13.5%
2%
2026-07-27
89%
10.3%
0.7%
2026-07-26
91.9%
8.1%
0%
2026-07-25
78.2%
19%
2.7%
2026-07-24
74.3%
20.3%
5.4%
2026-07-23
70.3%
23%
6.8%
2026-07-22
77.7%
22.3%
0%
2026-07-21
45.6%
33.3%
21.1%
2026-07-20
69%
22.8%
8.3%
2026-07-19
75.8%
17.7%
6.5%
2026-07-18
84.1%
12.7%
3.2%
2026-07-17
66.7%
27.9%
5.4%
2026-07-16
71.2%
24.7%
4.1%
2026-07-15
83.6%
8.9%
7.5%
2026-07-14
66.7%
21.9%
11.4%
2026-07-13
61.4%
33.8%
4.8%
2026-07-12
67.2%
29.7%
3.1%
2026-07-11
72.5%
13.7%
13.7%
2026-07-10
52.9%
34.1%
12.9%
2026-07-09
50.5%
35.2%
14.3%
2026-07-08
61.1%
34.4%
4.4%
2026-07-07
73.9%
22.7%
3.4%
2026-07-06
40.7%
11.7%
47.6%
2026-07-05
73.4%
26.6%
0%
2026-07-04
72%
18.7%
9.3%
2026-07-03
82.8%
15.2%
2%
2026-07-02
71.8%
22.8%
5.4%
2026-07-01
49.7%
21.8%
28.6%
2026-06-30
81.6%
17%
1.4%
2026-06-29
72.9%
11.8%
15.3%
2026-06-28
68.8%
29.7%
1.6%
2026-06-27
33.6%
23.3%
43.1%
2026-06-26
18.8%
25.6%
55.6%
2026-06-25
48.9%
45.6%
5.6%
2026-06-24
43.5%
35.3%
21.2%
2026-06-23
23.2%
25%
51.8%
2026-06-22
65.7%
29.4%
4.9%
2026-06-21
64.5%
25.8%
9.7%
2026-06-20
90.5%
5.4%
4.1%
2026-06-19
64.2%
31.8%
4.1%
2026-06-18
86.5%
12.8%
0.7%
2026-06-17
86.5%
11.5%
2%
2026-06-16
91.9%
6.8%
1.4%
2026-06-15
62.1%
15.2%
22.8%
2026-06-14
87.1%
11.3%
1.6%
2026-06-13
87.2%
7.2%
5.6%
2026-06-12
81.1%
17.6%
1.4%
2026-06-11
86.5%
12.8%
0.7%
2026-06-10
87.8%
11.5%
0.7%
2026-06-09
64.2%
23.6%
12.2%
2026-06-08
78.6%
18.6%
2.8%
2026-06-07
95.2%
4.8%
0%
2026-06-06
91.3%
5.6%
3.2%
2026-06-05
88.5%
9.5%
2%
2026-06-04
81%
17.7%
1.4%
2026-06-03
83%
17%
0%
2026-06-02
51%
26.5%
22.4%
2026-06-01
47.9%
20.1%
31.9%