Originally Posted by
ROW2Aisle
Not a direct answer to your question but for F, P & Z classes you have access to the Flagship Lounge at LAX on the non-stop transcon flights
Back in the days when P referred to F on 3 class transcons, P would have worked (had there been a FL at LAX). But no more, since P is a bucket used for YUP/KUP-type fares. Now, it takes F or Z.