Originally Posted by
Often1
Can you say A-N-T-I-T-R-U-S-T.
Even if AS, AA and the rest of OW all wanted it, US regulators will never approve another domestic OW carrier and upset the balance with each alliance having a carrier.
Regulators would not have to approve this. (And there have been plenty of times with more than one US carrier in a particular alliance. Northwest, Continental, and Delta were all in Skyteam for awhile.)