Therefore, at the time of writing, the only affected airport is London Heathrow, British Airways’ biggest base.
Passengers should note that cancellations are not expected because of the sales restrictions as existing bookings will not be affected.
However, aviation consultant John Strickland warned flights over the next week will likely be full, leaving “almost no room to manoeuvre to rebook passengers” in case further cancellations or delays take place.
“It therefore has little choice but to take seats off sale to protect for this eventuality and sacrifice last minute high price ticket sales,” he explained.
READ MORE: Flight attendant shares ‘life-changing’ packing tip