Alaska never heard of hanging a sport coat. It’s a strictly leisure airline. AA never fails to hang my coat when I’m sitting in F. Sitting in AS F at this exact moment in fact. No PBD. AA usually serves a PDB. Food on both is subpar; in my opinion AA is slightly better but YMMV.

All in all, I don’t think you’ll notice any difference (unless you’d like you’re coat hung in the closet), although it’s always crew dependent and error bars are large.