Do you commute into central London with South West Trains (SWT)? Consider yourself lucky - it could be much worse.

The operator, which serves stations in Chessington, Surbiton, New Malden and Kingston, saw a considerable improvement in punctuality at the end of 2014/15 over the year before.

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But Southern, which runs trains in Sutton and out to the south coast, notched a 2.4 per cent drop in the number of services arriving at their final destination within five minutes of their scheduled time, compared to SWT's 6.5 per cent improvement.

That meant just 78.3 per cent of Southern's trains arrived on time, compared to SWT's 90.5 per cent, new figures from the Office of Road and Rail show.

Southern hit the headlines last week after it changed its timetable to make sure the infamous 7.29am from Brighton to London Victoria would arrive on time.

Reporter Ben Leo from the Brighton Argus newspaper, owned by the Surrey Comet's parent company Newsquest, exclusively revealed in January that the service had been late every day for an entire year.

The figures may provide scant comfort for SWT passengers who feel their service is not up to scratch.

Earlier this month schoolchildren had to set up a temporary classroom in Cafe Nero at Surbiton station after signal failures crippled trains throughout the area.

Commuter Emma Bream, who works in Wimbledon, said at the time: "I wish this was more of a one-off but it's every month I seem to suffer at least one significant delay."

However, figures show SWT also managed to decrease the proportion of trains cancelled or significantly late to 2.3 per cent in the final quarter of the last financial year.

Overall in 2014/15 operators across the board achieved a punctuality score of 89.6 per cent and a cancellation score of 2.9 per cent.