← Great Western Railway Historical
Great Western Railway

London - South Wales

Historical
·
Daily Monthly
Average on time
62.8%
Over this period
Best day
90%
Worst day
11.9%
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
76.1%
19.6%
4.3%
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%
2026-07-31
78.7%
19.1%
2.1%
2026-07-30
66%
12.8%
21.3%
2026-07-29
74.5%
21.3%
4.3%
2026-07-28
76.6%
19.1%
4.3%
2026-07-27
85.1%
10.6%
4.3%
2026-07-26
79.5%
20.5%
0%
2026-07-25
65.8%
21.1%
13.2%
2026-07-24
78.7%
19.1%
2.1%
2026-07-23
76.6%
21.3%
2.1%
2026-07-22
83%
14.9%
2.1%
2026-07-21
51.1%
40.4%
8.5%
2026-07-20
72.3%
19.1%
8.5%
2026-07-19
84.6%
12.8%
2.6%
2026-07-18
65.8%
31.6%
2.6%
2026-07-17
53.2%
29.8%
17%
2026-07-16
61.7%
21.3%
17%
2026-07-15
78.7%
17%
4.3%
2026-07-14
72.3%
19.1%
8.5%
2026-07-13
83%
12.8%
4.3%
2026-07-12
46.2%
33.3%
20.5%
2026-07-11
63.2%
23.7%
13.2%
2026-07-10
43.5%
30.4%
26.1%
2026-07-09
58.7%
26.1%
15.2%
2026-07-08
56.5%
37%
6.5%
2026-07-07
69.6%
21.7%
8.7%
2026-07-06
84.8%
8.7%
6.5%
2026-07-05
79.5%
17.9%
2.6%
2026-07-04
64%
24%
12%
2026-07-03
70.3%
23.4%
6.3%
2026-07-02
84.4%
12.5%
3.1%
2026-07-01
57.8%
23.4%
18.8%
2026-06-30
81.3%
15.6%
3.1%
2026-06-29
59.4%
26.6%
14.1%
2026-06-28
39.5%
48.8%
11.6%
2026-06-27
33.3%
41.2%
25.5%
2026-06-26
39.3%
41.1%
19.6%
2026-06-25
59.3%
25.9%
14.8%
2026-06-24
21.9%
28.1%
50%
2026-06-23
25%
20%
55%
2026-06-22
67.2%
23.4%
9.4%
2026-06-21
67.5%
27.5%
5%
2026-06-20
88.2%
11.8%
0%
2026-06-19
51.6%
17.2%
31.3%
2026-06-18
75%
20.3%
4.7%
2026-06-17
82.8%
15.6%
1.6%
2026-06-16
80.6%
6%
13.4%
2026-06-15
72.3%
13.8%
13.8%
2026-06-14
80%
11.1%
8.9%
2026-06-13
74.5%
17.6%
7.8%
2026-06-12
82.8%
15.6%
1.6%
2026-06-11
73.4%
12.5%
14.1%
2026-06-10
78.1%
14.1%
7.8%
2026-06-09
89.1%
7.8%
3.1%
2026-06-08
75.9%
17.2%
6.9%
2026-06-07
90%
10%
0%
2026-06-06
84.3%
15.7%
0%
2026-06-05
70.7%
22.4%
6.9%
2026-06-04
76.4%
23.6%
0%
2026-06-03
81%
10.3%
8.6%
2026-06-02
56.9%
25.9%
17.2%
2026-06-01
55.4%
30.4%
14.3%