NEW YORK (AP) — Spirit Airlines, the largest budget carrier in the U.S., filed for Chapter 11 bankruptcy protection Monday.

The airline said customers should not see any disruption to their travel plans while the process unfolds. The filing followed years of struggles for the Florida-based airline, which is known for its no-frills, low-cost flights. Spirit failed to bounce back from the COVID-19 pandemic, largely due to rising operating expenses and stiffer competition.

The airline has lost more than $2.5 billion since the beginning of 2020 while also racking up . The bankruptcy proceedings are aimed at restructuring the company and shoring up .

Still, unease around the bankruptcy petition may have some travelers looking elsewhere for flights ahead of the busy holiday travel season. Here’s what you need to know. Will the Chapter 11 affect my booking or loyalty points with Spirit? For now, it’s business as usual.

Spirit says it expects to continue operating normally throughout the bankruptcy process, and that travelers can continue making reservations and taking flights without interruptions. All existing tickets, credits and loyalty points remain valid, as do the airline’s affiliated credit cards and other membership perks, the company said. Reassuring customers that the bankruptcy won’t impact their travel plans or loyalty programs will be crucial to Spirit’s short-term ability to preserve business, according to Sarah Foss, global head of legal at financial servi.