South West Main Line: Standards
Commons · Question 12277 · Tabled 23 Jun 2026 · Department for Transport · Official record
Answered 3 Jul 2026
Question
Asked by Greg Smith
To ask the Secretary of State for Transport, how many delay minutes per 100 train miles were recorded on South Western Railway in the (a) final year before transfer into public ownership and (b) latest year for which data is available.
Answer
Answered by Keir Mather, 3 Jul 2026
South Western Railway's (SWR) on self delay minutes per 1000 train miles at the end of May 2025 was 10.59. The same metric at the end of May 2026 was 11.82. SWR inherited delays to the introduction of the new Arterio fleet and a shortage of trained driver...