Many U.S.-based airlines allow credit cardholders an opportunity to work toward elite status. Some—like Frontier and JetBlue—will even let you earn top-tier status from credit card spending alone.

We reviewed credit cards from major U.S. airlines — including the "Big 3": American, Delta, and United — as well as smaller popular carriers like Alaska, JetBlue, Southwest, Frontier ...

Frontier Airlines is introducing a free checked ... Frequent flyer A-List Members, Southwest-branded credit card holders and other select customers will be allowed one free checked bag.

Frontier Airlines is offering passengers a free checked ... Customers with a Southwest credit card can also still check one free bag. Both Southwest and Frontier fly out of Long Island ...