3 of us flew in March. Delayed at Sydney by over 3 hours due to mechanical issues. Because of this and the significant delays in United rescheduling flight tickets in LA, we missed another 3 connecting flights from LA to Vegas. Support at the terminals was no where to be found. We were told to just join a queue witch took 90 mins to get to the counter. Instead of arriving at 9am we finally got there at 8pm after we convinced them to put us on an American Airline flight
The service in air and the return flight were fine.