Great Western Railway Performance

Independent performance data for Great Western Railway from Network Rail TRUST train movement records.

Based on 37 days of data (2026-02-27 to 2026-04-05) | Last updated: 5 April 2026
On-time
83.4%
within 5 minutes
Avg Delay
2.2 min
minutes late
Cancellation Rate
8%
of services
Total Services
64,648
in period
Compared to the previous 60 days: Not enough data to calculate trend.

Performance by time of day

Period On-time % Avg Delay Services
Morning peak94.4%1.4 min63,249
Off-peak89.2%2.3 min161,585
Evening peak86.4%2.8 min73,492
Late/early85.8%2.7 min116,008

Performance by day of week

Day On-time % Avg Delay Services
Monday86.2%1.7 min63,701
Tuesday81.6%2.6 min65,257
Wednesday84.5%2 min65,865
Thursday82.7%2.3 min65,252
Friday83.4%2.2 min71,550
Saturday83.7%2.2 min73,331
Sunday80.3%2.8 min34,839

Monthly history

Month On-time % Avg Delay Cancellation Rate Coverage
March 202683%2.3 min8.1%83.9%

Best performing routes

Route On-time % Avg Delay Services
Okehampton to Exeter St Davids100%0.4 min70
Reading to Didcot Parkway100%0.2 min38
Westbury to Warminster100%0.7 min38
London Paddington to London Paddington100%0.5 min32
RDZ to Guildford100%0.5 min32

Worst performing routes

Route On-time % Avg Delay Services
London Paddington to Gloucester14.3%30.1 min14
Bristol Temple Meads to Great Malvern28%11.2 min25
Oxford to Southall33.3%6.8 min12
Plymouth to XMG34.1%26.5 min41
Penzance to XMG37.5%14.2 min16
View Great Western Railway Delay Repay guide →
Data source: Network Rail TRUST train movement data. Contains public sector information licensed under the Open Government Licence v3.0. These are independent calculations and are not official statistics published by the Office of Rail and Road. On-time is defined as arriving within 5 minutes of the planned time. For official statistics, visit the ORR Data Portal.

Performance figures are calculated independently by Train Badger from Network Rail TRUST data and may differ from official ORR statistics due to differences in methodology, data coverage, and reporting periods. Always refer to the ORR Data Portal for official statistics.