A Spirit Airlines Airbus A320 taxis at Los Angeles International Airport after arriving from Boston on September 1, 2024 in Los Angeles, California.WHITE PLAINS, N.Y. — Spirit Airlines is making "massive progress" to revitalize the airline, the carrier's restructuring lawyer Marshall Huebner said in a court hearing Tuesday.The struggling budget airline has reached an agreement with debtholders for up to $475 million in debtor-in-possession financing as well as$150 million from a major aircraft lessor, Hueb ...