Most airports in the UK and Republic of Ireland are advising passengers to check with their airline before leaving, although most are operational.
Here is the latest information from their Twitter feeds:
- Heathrow - Around 240 flights cancelled. Operating a revised schedule.
- Gatwick - Operating as normal
- Stansted - Operating as normal
- Luton - Operating as normal
- London City - First flight is 12:30
- Manchester - Small number of cancellations due to conditions at other airports
- Southend - Dublin arrivals and departures cancelled
- Birmingham - Operating as normal
- Belfast - Operating as normal
- Dublin - A number of cancellations
- Blackpool - Operating as normal
- Southampton - No significant delays
More top news
In a rallying call at the Democratic National Convention, the former US president said Hillary is 'the best darn change-maker I ever met'.
Satoshi Uematsu, 26, was sent to the Yokohama District Public Prosecutors Office in Kanagawa prefecture.
West Yorkshire Police confirmed a 32-year-old woman was taken into custody in connection with the alleged threats.