Originally Posted by
dayone
Until at least mid-2025, these sale fares are better purchased on the Hawaiian site (if offered), since Y flights can be upgraded in advance with HawaiianMiles (easily transferred from AS).
Interesting you point that out - ironically, the HA site does not show this itinerary as available for purchase, saying no matching flights at all on Saturdays - although it recognizes the purchase when made through the AS website.