“We’re very sorry that our customers’ travel plans have been affected by severe weather conditions,” the spokeswoman said in an email. “Heavy rain overnight and snowfall in the U.K. this morning, combined with a reduction in the number of flights able to land at Heathrow have caused disruption to our flight schedule.”
Some passengers said on Twitter that they waited more than 12 hours at Heathrow. Others said they were not allowed to retrieve their luggage after their flights were canceled.
A representative for Heathrow did not respond to an email seeking comment on Sunday evening. On its website, Heathrow said disruptions were expected on Monday because planes and crew members needed for the flights had not been able to reach the airport.
“We’re working with our airline partners to return aircraft to where they need to be, and full service recovery remains the focus,” the airport said.
The snowstorm brought 10 inches of snow to parts of the London region, with some areas seeing the most snowfall in about five years. Passengers said far less snow fell at Heathrow, which is about 13 miles west of the center of London.
“It stopped snowing at about 3 p.m.,” Claire Moore, whose husband was stranded on a British Airways flight to Saudi Arabia, said in an interview. “And it wasn’t exactly heavy snow.”
She said her husband arrived at Heathrow for a 1:20 p.m. flight to Riyadh. The flight was delayed until 3 p.m., then 4 p.m. and then 5 p.m. Finally at 8 p.m., she said, he boarded.
But his travel was disrupted again when a passenger assaulted someone on the plane, and the police were called, Ms. Moore said. “After this point, the flight was deemed to be outside regulations…