← Great Western Railway Historical
Great Western Railway

London - Bristol

Historical
·
Daily Monthly
Average on time
79.6%
Over this period
Best month
94.2%
Worst month
69.3%
Data points
31
Months tracked
Monthly PPM
Percentage of trains on time at final destination
On time
Late
V. late/cancelled
Data
Month
Breakdown
On time
Late
V. late
2026-08
71.4%
17.7%
10.9%
2026-07
72.8%
18.5%
8.7%
2026-06
73.4%
15.1%
11.5%
2026-05
78.2%
13.2%
8.6%
2026-04
84.4%
10.5%
5%
2026-03
85.7%
9.9%
4.4%
2026-02
88%
9.2%
2.8%
2026-01
86.8%
7.5%
5.7%
2025-12
76.5%
15.8%
7.7%
2025-11
72.3%
19%
8.7%
2025-10
81.3%
12.6%
6.1%
2025-09
80.6%
14.1%
5.3%
2025-08
77.4%
14.7%
7.9%
2025-07
79.1%
14.2%
6.7%
2025-06
82.6%
11.7%
5.7%
2025-05
85.3%
10.1%
4.7%
2025-04
82.5%
11.7%
5.9%
2025-03
82.3%
11.5%
6.3%
2025-02
83.3%
11.8%
4.9%
2025-01
82.9%
12.5%
4.5%
2024-12
73.2%
14.4%
12.4%
2024-11
69.3%
19.2%
11.5%
2024-10
74.2%
17.4%
8.4%
2024-09
72.3%
13.5%
14.2%
2024-08
83.1%
10.8%
6.1%
2024-07
78.4%
13.1%
8.5%
2024-06
76.5%
13.2%
10.3%
2024-05
81.1%
12%
6.8%
2024-04
94.2%
5.8%
0%
2024-03
79.6%
16%
4.4%
2024-02
79.3%
13%
7.7%