Those travelling to UK airports have been urged to check their travel plans and flight status with their airline before setting off.A total of 316 flights were cancelled across Heathrow, Gatwick, Manchester, Stansted, Glasgow, Belfast International and Bristol airports over the weekend, roughly 11% of all scheduled flights, according to aviation analytics firm Cirium.Heathrow and Gatwick affectedAbout 50 flights were cancelled at Heathrow on Monday, after freezing fog resulted in air traffic control restrictions on the number of aircraft that could land and depart per hour over the weekend.A spokesperson for London Luton Airport warned that there could be disruption to flights and also advised passengers to allow extra time when travelling to the airport.You can also get in touch in the following ways:- WhatsApp: +44 7756 165803- Tweet: @BBC_HaveYourSay- Upload pictures or video- Please read our terms & conditions and privacy policyIf you are reading this page and can't see the form you will need to visit the mobile version of the BBC website to submit your question or comment or you can email us at HaveYourSay@bbc.co.uk."