Originally Posted by
PDXPremier
Interesting...does there have to be a particular booking code for the upgrade or is it just one amount of miles as long as a F seat is available?
Originally Posted by
dayone
There are two mileage upgrade buckets: Saver and Flex. Flex is 2x. Saver was available on both my desired flights. My fare class did not change after the upgrades.
For First/Business
Saver mileage upgrade inventory there needs to be
“A” space available. First/Business
Flex requires
“P” space. If you have an ExpertFlyer account you can search for both just like searching U space for AS flights.
Sample results for HNL > AKL in April: