Passengers have taken to Twitter to say their flights have been left grounded and there are huge queues at check-in.
One passenger tweeted: ‘Stuck on a British Airways plane at Belfast, going nowhere. ‘BA computers down worldwide’, whatever that means!’
Another, Nadia Whittley, posted: ‘British airways computers down T5 and standstill, stranded on the plane and they make us pay for food!! Please retweet this indicency!’
— Roshni Burt (@RoshniBurt1) May 27, 2017
— Morten Amtoft (@mortenamtoft) May 27, 2017
ulie Adie wrote: ‘We are on the runway.. For hour now..no offer of drinks..and because ba only takes cards now, we only have cash…wat we supposed to do!!??’
While another customer said he couldn’t log in to the app to fetch his boarding pass and had to miss his flight.
British Airways staff have reportedly started using flip charts to display flight information.
— Philip Bloom (@PhilipBloom) May 27, 2017
— Ilir Soleil (@ilirsoleil) May 27, 2017
A spokeswoman for the airline confirmed the computer system outage and said: ‘We apologise to customers who are facing some delays following an IT outage this morning.
‘We are working to resolve the problem as quickly as possible.’