← Great Western Railway Historical
Great Western Railway

London - South Wales

Historical
·
Daily Monthly
Average on time
59.7%
Over this period
Best day
89.1%
Worst day
10.3%
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
60.4%
25%
14.6%
2026-10-14
56.3%
29.7%
14.1%
2026-10-13
67.2%
20.3%
12.5%
2026-10-12
45.3%
21.9%
32.8%
2026-10-11
74.4%
20.5%
5.1%
2026-10-10
66%
17%
17%
2026-10-09
73.4%
14.1%
12.5%
2026-10-08
85.9%
12.5%
1.6%
2026-10-07
68.8%
26.6%
4.7%
2026-10-06
76.6%
21.9%
1.6%
2026-10-05
79.7%
14.1%
6.3%
2026-10-04
86%
11.6%
2.3%
2026-10-03
83.7%
8.2%
8.2%
2026-10-02
75%
15.6%
9.4%
2026-10-01
76.6%
20.3%
3.1%
2026-09-30
73.4%
25%
1.6%
2026-09-29
75%
25%
0%
2026-09-28
56.3%
35.9%
7.8%
2026-09-27
76.1%
21.7%
2.2%
2026-09-26
66.1%
19.6%
14.3%
2026-09-25
50.8%
35.4%
13.8%
2026-09-24
71.9%
26.6%
1.6%
2026-09-23
10.3%
0%
89.7%
2026-09-22
67.2%
7.8%
25%
2026-09-21
85.9%
12.5%
1.6%
2026-09-20
56.8%
9.1%
34.1%
2026-09-19
71.4%
10.7%
17.9%
2026-09-18
64.1%
20.3%
15.6%
2026-09-17
87.5%
12.5%
0%
2026-09-16
62.5%
25%
12.5%
2026-09-15
73.4%
23.4%
3.1%
2026-09-14
20.3%
14.1%
65.6%
2026-09-13
65.9%
31.7%
2.4%
2026-09-12
51%
29.4%
19.6%
2026-09-11
54.7%
32.8%
12.5%
2026-09-10
56.3%
34.4%
9.4%
2026-09-09
73.8%
23.1%
3.1%
2026-09-08
75.4%
18.5%
6.2%
2026-09-07
53.8%
41.5%
4.6%
2026-09-06
41.5%
51.2%
7.3%
2026-09-05
43.1%
11.8%
45.1%
2026-09-04
68.8%
28.1%
3.1%
2026-09-03
89.1%
9.4%
1.6%
2026-09-02
62.5%
17.2%
20.3%
2026-09-01
73.4%
25%
1.6%
2026-08-31
61.9%
31.7%
6.3%
2026-08-30
47.5%
32.5%
20%
2026-08-29
78.4%
17.6%
3.9%
2026-08-28
60%
24.6%
15.4%
2026-08-27
48.4%
37.5%
14.1%
2026-08-26
75%
21.9%
3.1%
2026-08-25
68.8%
25%
6.3%
2026-08-24
39.1%
28.1%
32.8%
2026-08-23
77.5%
7.5%
15%
2026-08-22
56.9%
17.6%
25.5%
2026-08-21
72.3%
24.6%
3.1%
2026-08-20
54.7%
42.2%
3.1%
2026-08-19
53.1%
35.9%
10.9%
2026-08-18
65.6%
29.7%
4.7%
2026-08-17
57.8%
39.1%
3.1%
2026-08-16
50%
26.2%
23.8%
2026-08-15
60.8%
25.5%
13.7%
2026-08-14
28.1%
46.9%
25%
2026-08-13
31.3%
42.2%
26.6%
2026-08-12
40.6%
25%
34.4%
2026-08-11
62.5%
23.4%
14.1%
2026-08-10
59.4%
17.2%
23.4%
2026-08-09
76.3%
18.4%
5.3%
2026-08-08
59.5%
19%
21.4%
2026-08-07
27.4%
30.6%
41.9%
2026-08-06
41.7%
43.3%
15%
2026-08-05
26.7%
36.7%
36.7%
2026-08-04
11.9%
28.8%
59.3%
2026-08-03
18.5%
9.2%
72.3%
2026-08-02
21.1%
55.3%
23.7%
2026-08-01
47.4%
2.6%
50%