@ BigDog. – 24/05/2013 12:03 GMT
Err, the LHR departure board is showing selective cancellations and most departures delayed by up to several hours. But no blanket BA cancellations up to 16:00.
EDITED: Big Dog was entirely correct – as the updated LHR departures board now shows.
What surprises me is the decision to close BOTH runways when there was a plane stuck on just one runway. How on earth can NATS and/or Heathrow operations justify that decision when the two runways are sufficiently far apart to allow completely independent simultaneous landings/departures? Utterly bizarre and bewildering IMO.