London, Dec.27: Heathrow Airport's glittering new terminal will open on March 26, and passengers will face a tough new zero-tolerance policy, that is be in the queue for security at least 35 minutes before the flight or count yourself as a "no show".

British Airways is seeking to improve its woeful punctuality.

This is the first time at any airports that an airline has taken such a hard line on passengers who have already checked in. The only exception to the 35-minute rule will be travellers on standby, who get an extra five minutes' grace to allow for the fact that their seats are assigned only after check-in formally closes at "minus 45". (ANI)