Flights to everywhere from Belfast and Tenerife to Kraków, Poland, and Accra, Ghana, have been delayed by as much as an hour and a half this morning. Live arrivals boards also show slight delays to incoming flights. According to the monitoring website FlightStats, the delays are ‘excessive and increasing’.

Tens of thousands of passengers have had their Christmas travel disrupted in recent days as thick fog has descended on airports.

Poor weather is disrupting services at Gatwick Airport with a number of easyJet flights "now unable to operate as planned", the airline has said with delays in place this evening