Spirit Airlines on Monday warned investors and passengers that it may no longer be in business in a year even after a successful bankruptcy restructuring and recent attempts to generate new sources of revenue.

Newark Liberty International ranked the worst mega airport, and Minneapolis-Saint Paul was the best in J.D. Power's study of over 30,000 surveys.

The Trump administration has decided to abandon a plan that would have required airlines to compensate passengers stranded due to carrier-caused delays. This means travelers will not receive refunds if their flights are delayed because of the airline.

United Airlines Holdings Inc. plans to increase daily flights to 15 cities starting in January to help out passengers of Spirit Aviation Holdings Inc. in case the financially strapped carrier goes out of business.

Spirit Airlines, known for its bright yellow planes and cheap airfare, will cease all service to and from San Jose Mineta International Airport after filing for bankruptcy Sept. 5, the second time this year.

Spirit has flown in and out of bankruptcy as the discount carrier struggles with rising costs and heavy debts.

The cut comes barely two years after San Jose officials said Spirit Airlines would boost tourism to the South Bay, after the airport was hit hard by the pandemic. About 12 million passengers traveled through San Jose Mineta International Airport last year, according to airport data -- still under the 15.6 million it hit before the pandemic.