From most to least, here's where US airlines stand in terms of long-term debt at the end of the second quarter.
- Southwest Airlines: $9.115 billion.
- JetBlue: $3.711 billion.
- Spirit Airlines $2.332 billion.
- Alaska Airlines: $1.549 billion.
- Allegiant Air: $1.273 billion.
- Hawaiian Airlines: $868 million.