And both cancellations (to EWR and IAD) were from T4. Typical delays from T5 semed to be around ten to fifteen minutes, but some flights appear to have left up to five minutes early!
Perhaps Willie has found some of those 5000 thoroughly trained staff who were mentioned by the Directors in the 2007 Annual Report. (See page 9 at
http://media.corporate-ir.net/media_...d_Accounts.pdf).