Carla Ojezua, a retiree from Dayton, Ohio. (Chip Cutter/WSJ) In the Columbus, Ohio airport, agents for Spirit Airlines passed out hand-written, paper boarding passes in a line that snaked across a ...

Spirit Airlines is one of the largest ultra-low-cost carriers in the United States of America, and, indeed, the wider world as a whole. It has been operating for almost 33 years under its current ...