A number of flights were cancelled at Belfast City Airport
Thick fog impacted flights to and from Northern Ireland on Friday morning.
At George Best Belfast City Airport, flights from Birmingham, Edinburgh, Manchester, Heathrow, Leeds Bradford and Liverpool were cancelled.
Some other flights were delayed. The airport is now "fully operational".
At Belfast International Airport, the 08:15 EasyJet flight from Luton was delayed, while the 10:50 Liverpool flight is now expected at 12:20 BST.
The International Airport is also fully operational.
