Passengers were left stranded at Heathrow Airport when British Airways cancelled flights on Wednesday (Michelle Heinrich/PA) Earlier, British Airways announced dozens of planes were delayed and cancelled on Wednesday by a technical issue with British Airways. Many frustrated passengers used social media to vent frustration over long delays. The airline said the fault had affected its operation for "a short time" and was resolved shortly before 5.30pm, the vast majority of flights on the airline's live tracker were shown as departing late or cancelled from 2pm to 9.30pm. Hi, Andrew. We experienced a technical issue for a short time this afternoon which affected our operation at Heathrow Terminal 5. This has now been resolved and we're resuming flight operations. We apologise to those customers who have been inconvenienced. Neil — British Airways (@British_Airways) March 30, 2022 The airline apologised for the issue and said it "deeply regretted" being forced to cancel flights on Wednesday evening.