Some four million people from the UK are expected to travel abroad over Christmas, according to the Association of British Travel Agents, but if you’re jetting off on a festive getaway then you could be in for a lengthy wait as December had the highest proportion of delayed flights by three hours or more in the year to August (equating to 96,000 passenger journeys).

Which? analysis also showed that the worst UK airports for proportion of flights delayed by three hours or more over this period were Gatwick (23,862 passenger journeys delayed), Bristol Airport with (3,783) and Liverpool John Lennon (2,425).

As part of the Denied Boarding Regulations, passengers are able to claim compensation for flights that are cancelled or delayed by three hours or more.

Which claim that some airlines however are not providing support or information to passengers on how they can claim and the majority of airlines have not signed up to the Aviation Ombudsman’s, Alternative Dispute Resolution scheme, which helps passengers in dispute with airlines get a quick and fair solution to their problem.

Which? executive director, Richard Lloyd, said:

“Flight delays are infuriating for passengers and the last thing people want over the festive period is to be stuck in airport departure lounges, but if you’re flying in December this could well be the reality.

“We want to see all airlines signing up to the ombudsman’s redress scheme to help ensure passengers get compensation when flights are delayed.”