...Airline and airport managers are scrambling to keep up with evolving federal security directives that change with events or new intelligence. After the attacks, airlines that slashed schedules and laid off reservations agents when business died now find some flights overflowing and agents besieged.

People who booked non-stop Thanksgiving flights months ago are learning their airline no longer offers non-stops to their destinations. Passengers who set off the metal detector and are frisked at one airport, glide through security unquestioned at the next.

And while passengers may grumble about long lines and luggage searches, some airline workers suffer silently. Many pilots and flight attendants, for example, not only fear for their safety aloft but also for their job security. Airlines are cutting thousands of jobs to stem losses...

http://www.usatoday.com/money/bcovwed.htm