Originally Posted by F9 Driver

Quick upgrades - for the foreseeable future, according to the current plan.

Lots of schedule flexibility once off of reserve.

If you live in domicile and you would have to commute at United.

Those are the only legit reasons I can list, unless you are okay with monetizing good people to work with. I like the majority of my friends at United 😏and they have lots going for then. United is more of a career destination airline - unless you really like Frontier.