I used to fly UAL a lot and was global services or 100K for most of 2000-2010.  A recent experience with them highlights how bad they have gotten.  Needless to say, I will never fly them again.   I was returning from Buenos Aires with my family.  A storm hit and the airport shut down for an hour.  United was unable to get the plane refueled and the crew timed out and they cancelled the flight.  After unloading us from the plane, we spent the next 4 hours in complete...