The strange thing is that it must surely cost more to hold a 747 for 15 minutes that pay 200 people for 1 hrs work. . .Possibly this is one area where an enterprising member of staff can use the staff suggestion scheme. Surely if you don't want to be on chocks ahead of time hold in the maintenance area for the 20 mins.
Heathrow Director. .If you want to stop it hold him west of Cardiff for 20 minutes then put him in the hold again to make him late on chocks.