Originally Posted by remyjette

Saver fares will only let you select the seats specified for Saver at the back of the plane, if any are still available. If not, you will be unable to select a seat and your seat will be assigned at check in or at the gate. Status doesn't affect this, not for Alaska elites nor one world partners. Status *does* let you board earlier (Saver boards last) and waives baggage fees.

The section for "Alaska and oneworld elites" would require you to book Main, not Saver.