I'd rather be a couple of hours late in this world than fifteeen years early in the next, so it's going to be a case of "put up or shut up" for the next few weeks.
If the threat is real, and nothing had been done and a couple of aircraft had been hi-jacked, then the Blair-kockers would really have something to bitch about.
Is your journey really necessary? Whatever happpened to video conferencing? Are a lot of the complaints coming from the "look at me, I'm so important my company sends me round the world to discuss the price of widgets" brigade?
Read the thread on the Mil. Forum about an expected raised threat level this month.