KPIX CBS 5 News March 4, 2012
turbulence. don? >> reporter: it turns out one of the most difficult things to do when you merge two airlines is to get the computer systems to work together. there is a history of this. united airlines was aware of it. they worked with continental. they planned ahead. they even have dress rehearsals we understand. but early today when the switch over came, there were glitches and issues. people moving smoothly to their gates. this is how united had hoped their sfo lobby would look after the airline executed a massive computer switchover. but this is how it actually looked earlier to...