Spirit said in a filing announcing bankruptcy protection that it would continue all its normal operations, and that customer tickets remain vaild.

Spirit Airlines has filed for bankruptcy protection after the pioneer of no-frills travel in the U.S. struggled with a long run of quarterly losses and significant debt, it disclosed on Monday.

It turns out that Boeing’s huge layoff plans were not just a strike threat. Spirit Airlines can’t put out an earnings report that might show investors how close it is to bankruptcy. Rich people take private flights like the rest of us take taxis.