Aloha and Hawaiian are the interisland carriers you are just about forced to use. Which ones better? The one that fits your schedule. They both cost about the same, service is about the same and flights interisland are all under an hour so there's not need to worry about comfort. I use Aloha because I have a mileage credit card with a banking partner of theirs. They are fairly accomodating when you need to use the mileage. They even allowed me to change a mainland flight... after paying a sizeable fee of course.
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