A problem with air traffic control systems which has been affecting some flights out of Glasgow Airport has been resolved.
A spokeswoman said flights "under 28,000 ft" operated by Flybe, Aer Arann and Loganair had been subject to "slight delays".
The Flybe routes included Belfast City, Manchester, Birmingham and Southampton.
Aer Arann flights affected were Dublin, Cork and Shannon, along with Loganair flights to the Highlands and Islands.
A spokesman for National Air Traffic Services confirmed the problems had been resolved and operations were back to normal.