Flight EZY554 from Belfast International was due at 21:15, now expected at 22:30.
Flights at Belfast International have been disrupted due to snow.
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Kerrie brings you Sunday night's forecast
Flying Scotsman travelled alongside three modern trains to celebrate the "past, present and future" of Britain's railway this morning.
Rain develops overnight into Monday before colder and stronger air digs in from the north - bringing the risk of snow, frost and ice