thanks for your reply
If I were you, I'd put up with an extra long layover in SFO so there is plenty of time for your JFK-SFO to get delayed.[/QUOTE]
So if UA does not protect my SFO-AKL Itn if I buy a $2000 trans con from them , then I might as well use my AA Advantage award for 45,000 miles and fly for free. I would have thought that UA would value the incremental purchase at full price and a high yield