← National Historical
Historical performance

Great Western Railway

Today Historical
·
Daily Monthly
Average on time
82.9%
Over this period
Best month
88.1%
Worst month
74.6%
Data points
31
Months tracked
Monthly PPM
Percentage of trains on time at final destination
On time
Late
V. late/cancelled
Great Western Railway routes
Bristol Suburban
→
Devon
→
London - Bristol
→
London - Cotswolds
→
London - South Wales
→
London - West Of England
→
North Downs
→
Outer Thames Valley - London
→
Plymouth & Cornwall
→
Reading & Oxford Suburban
→
South Wales - South Coast
→
Thames Valley Branches
→
Data
Month
Breakdown
On time
Late
V. late
2026-08
74.6%
15.7%
9.7%
2026-07
75.8%
15.7%
8.5%
2026-06
78.4%
12.7%
8.9%
2026-05
81.9%
12.1%
6.1%
2026-04
86.4%
9.3%
4.4%
2026-03
87.7%
8.6%
3.7%
2026-02
88.1%
8.2%
3.7%
2026-01
85%
8.4%
6.6%
2025-12
79.6%
13%
7.4%
2025-11
78%
15.8%
6.2%
2025-10
81.5%
13.2%
5.3%
2025-09
83.3%
11.8%
4.9%
2025-08
81.4%
12%
6.6%
2025-07
82.6%
11%
6.4%
2025-06
85.1%
9.7%
5.2%
2025-05
86%
9.2%
4.8%
2025-04
86.2%
8.5%
5.2%
2025-03
86.4%
9%
4.6%
2025-02
87.6%
8.7%
3.7%
2025-01
86.2%
9.7%
4.1%
2024-12
78.8%
12.5%
8.7%
2024-11
76.6%
14.5%
8.9%
2024-10
80.1%
13.8%
6%
2024-09
81.3%
11.6%
7.1%
2024-08
84.1%
10.6%
5.3%
2024-07
83.3%
10.6%
6.1%
2024-06
83.5%
10.2%
6.3%
2024-05
84.9%
9.7%
5.4%
2024-04
88%
8.9%
3.1%
2024-03
84.3%
11%
4.7%
2024-02
84.3%
10.2%
5.5%