Delta Air Lines has uncorked a rebranding of all of its fare types — upending the Basic Economy/Main Cabin/Comfort Plus/etc. order that has dominated the big U.S. airlines for the last decade or so.

Airlines are bringing the barebones basic economy experience to business class. "Business Light" fares are cheaper but can lack perks like lounge access or early seat selection. A few international ...

Ever since Delta made sweeping changes to how travelers earn Medallion status in the SkyMiles program, it has offered a few limited-time promotions that allow customers to earn bonus Medallion ...