It was supposed to be the start of their great Christmas Getaway.
But travel plans for thousands of people have been wrecked by rail failures.
Signal problems hit services into and out of Paddington Station and near Gatwick Airport.
Meanwhile, the AA has reported a surge in breakdowns in the capital - many of them flat batteries - as people leave their lights on when they dash to go shopping.
Here's Ronke Phillips.
More top news
Church of England bishops have said Southern have a "moral duty" to end disruption to passengers caused by a dispute with the unions.
London has dominated the list of Britain's busiest stations in new figures released by the regulator.
It's safe to say these eye-catching accessories take the Christmas spirit to a whole new level.