Originally Posted by
TxDucky
Generally massively more LP's/miles from booking through Alaska with your AAFFN. AS awards based upon mileage, and that goes to your LP/AA miles. I got nearly 10,000LP for a domestic first flight AS DFW-SEA-LAX R/T at $525, where if I'd done it via an AA codeshare purchase I'd get just 3,600LP as a Gold.
Given the question raised by the OP re: checked-baggage allowance, I think that we can safely assume that the OP will be traveling in Economy. AAdvantage earning chart for AS-coded flights here: