The flight from Heathrow to Boston was due to take off at 2:40pm, but at 1:50 we were still unsure whether we were going to spend the night in London or Manchester (Manchester NH that is). The nice man behind the Virgin standby desk at Heathrow, who had early told us the flight was very full and we should come back at 1:30 when he would know if there were spare seats, wasn't giving anything away with the same sad expression and body language that seemed to say 'n...