The airline listed its estimated assets and liabilities in the range of $1 billion to $10 billion each, according to a court filing on Monday.

Spirit Airlines declared bankruptcy Monday, but your holiday travel plans shouldn’t be affected. The budget airline announced it was filing for chapter 11 bankruptcy protection in order to restructure over $1 billion worth of debt,

The low-fare carrier has struggled to find its footing after its planned merger with JetBlue was blocked by a federal judge.