Generally the United Airlines hubs at EWR/ORD/IAD/IAH. For some smaller US airport destinations:
The west cost might be SFO/LAX
The southeast might be a *A airline into ATL/CLT
The midwest might be a *A airline into MSP/DTW
The northwest might be a *A airline into DEN/SEA
SunLover
Last edited by SunLover; Oct 18, 2014 at 10:44 am