Four weeks to 27 April 2013 
  Trains run 98.5%  Punctuality 86.0%  Cause of delay:  Virgin Trains 12.0%  Network Rail 75.4%  Other operators 12.6% 
  Four weeks to 25 May 2013 
  Trains run 98.8%  Punctuality 85.7%  Cause of delay:  Virgin Trains 14.6%  Network Rail 68.5%  Other operators 16.9% |