Southwest Airlines ended the second quarter with $5.8 billion in cash and short-term investments, which includes $4.4 billion in fuel derivative collateral deposits.
During the quarter, the airline borrowed $600 million under a new term loan secured by 21 aircraft.
In addition, Southwest has a fully available unsecured revolving credit line of $600 million.
Net cash provided by operations for the six months ended 30 June was $3.3 billion, which included a $2.4 billion increase in fuel derivative collateral deposits related to future periods. Capital expenditures totalled $587 million.