Fog is causing problems at Cardiff Airport and Bristol Airport with flights being cancelled or diverted.
Cardiff has seen aircraft diverted to Exeter and Liverpool along with cancellations for Flybe.
Bristol meanwhile has suffered its 2nd consecutive day of problems with cancellations from Flybe & Brussels Airlines.
Passengers due to travel today are advised to check with their airlines.
Bristol Airport https://www.bristolairport.co.uk/
Brussels Airlines https://www.brusselsairlines.com/