Best perk on SW is the companion pass. Some well timed credit card sign ups and a few flights and you can have a companion fly free with you for almost 2 years. Especially nice as SW flies to Hawaii.
I think it’s a CC perk on Delta.
Oh wow, that is a great perk [1].
[1] https://www.southwest.com/rapid-rewards/tiers/companion-pass...
Nice!