In today's business plan, Network Rail said it expected to achieve a trains-on-time figure of 92.5% "by the end" of the period 2014-2019.
NR also warned that even with the extra trains and seats this would "not be enough" on the busy West Coast Main Line where the added capacity of the London to Birmingham HS2 high-speed rail line project was, it said, "essential".
More top news
Experts have warned that Ash dieback's impact on millions of trees could have serious consequences for the landscape and wildlife.
White House officials said that the US intelligence community has confirmed the death of Afghan Taliban leader Mullah Omar.
Jamie Oliver and health experts have been asked to help the Government in tackling the problem of obesity in primary school children.