MIRAMAR, Fla. — Leisure travelers who rely on Spirit Airlines’ ultra-low fares will soon find fewer yellow-tailed jets on airport departure boards. The Miramar-based carrier has announced that it will permanently exit 11 U.S. markets this fall and furlough 1,800 employees as part of a sweeping restructuring tied to its second trip through bankruptcy court in as many years.

MIRAMAR, Fla. — Cost-cutting at Florida-based Spirit Airlines is about to ground thousands of budget fliers. The discount carrier, which filed for bankruptcy protection for the second time this year, will discontinue service to a dozen U.S. destinations on Oct. 2, underscoring the uncertainty now surrounding one of America’s largest ultra-low-cost airlines.