Join Date: Aug 2008
Location: South Park, Metropolis
Programs: AA LT PLT 3MM, Marriott Ambassador, Hilton GLD, IHG PLT, Club Carlson VIP
Posts: 4,666
LAX-SFO is on AA metal, no problem in selecting seat assignments as this is an AA award booked on AA. BA will have nothing to do with this, and the seat assigment will not show on BA. I pressume the transatlantic portion to LHR is through BA, this is where you select seat through BA. You are fine.