It has been almost three months since the United-Continental computer system merger and some of the glitches have been worked out. But, as frequent fliers are learning, we are a long way from a gremlin-free zone. Two of the most maddening current gremlin areas are seat assignments and phantom cancellations — confirmed seat assignments are suddenly changed and confirmed reservations appear to disappear.

DOT warns airlines and agents "free" flights, FAA to re-open pilot fatigue rules for cargo airlines, Qantas to cut more maintenance jobs