The budget airline model in the U.S. is running out of runway

Spirit's bankruptcy as United and Delta fly high suggests there's more to success in airline industry than low fares, and failure isn't about jet fuel spikes.

# The budget airline model in the U.S. is running out of runway Spirit's bankruptcy as United and Delta fly high suggests there's more to success in airline industry than low fares, and failure isn't about jet fuel spikes. **Read the full article:** [CNBC](https://www.cnbc.com/2026/06/20/cheap-airline-fares-summer-travel.html) *This article was originally published by CNBC. MoneyWiseInc provides expert curation of the best financial content from trusted sources.*