Three U.S. senators said they want Frontier Airlines and Spirit Airlines to disclose whether they are manipulating seat fees by using customers' personal information to charge different fees to ...

Would-be travelers can also be removed from a Spirit flight for acting disorderly or violent, appearing to be intoxicated or refusing to use a seat belt. The contract of carriage was updated Jan. 22.

Senators Question if Frontier, Spirit Airlines Are Manipulating ... in a hearing that harshly criticized rising airline fees for luggage and seat assignments, calling the fees unfair and noting ...