BREAKING NEWS – Denver, Colorado – Passengers flying Frontier Airlines will now have to pay extra to place carry-on bags in the overhead bin or for advance seat assignments. The move comes as the Denver-based airline tries to transform itself into a fee-dependent airline, similar to Spirit Airlines or Allegiant Air — the only other U.S. carriers to charge such fees. Frontier already charges $1.99 for a soda or water on its flights, $2.50 for bathroom privileges, and for emergencies, coin operated oxygen masks (quarters only).