Same day change AND upgrade
Im flying ANC to SFO via SEA - my first flight is showing sold out in F (and I have no AS status for comp upgrade) but the schedule from ANC is very regular and I'm hoping to upgrade to F. If there is F availability showing on day of departure, can I pay $25 to same day change AND simultaneously buy upgrade to F on earlier flight?
If so can this be done online, or do I need to call?