When it came to overall customer satisfaction levels, Heathrow Connect came in the top three at 94%. But the same operator saw a marked fall in its value for money rating - dropping 6% over the last year to 52%.
First Capital Connect (81%) and Southern (82%) were among the lowest-rated for overall satisfaction - at 81% and 82% respectively.
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Police have launched a murder investigation after a 35-year-old man was stabbed to death in north London.
A man in his 40s was shot dead shortly before midnight by police in Enfield.
A round the world yacht race set off from London today on a year long journey which will see them circumnavigation the globe.