Gatwick Airport says that there should not be any delays to flights leaving UK airports.
A spokesman added:
We are experiencing similar (problems) to the rest of the airports, and we are working to get people through.People should be able to get off the plane, it is those coming through the immigration process which it is frustrating.
More top news
A man who fired at officers from the National Crime Agency has been convicted at the Old Bailey.
Want to know its posh name? It's a 'Track Retrieval Device'.
Unite said its members in the capital's 18 bus operators had supported walkouts by 85%, and action short of a strike by 9-1.