1 Southwest Airlines Co. A B C D E F 2 31 DEC '21 31 DEC '20 31 DEC '19 31 DEC '18 31 DEC '17 3 OPERATING REVENUES: 4 Passenger 5 Freight 6 Other 7 14,066 187 7,665 20,776 20,455 19,141 161 172 175 173 1,537 1,222 1,480 1,335 1,857 15,790 9,048 22,428 21,965 21,171 8 9 OPERATING EXPENSES, NET: 10 Salaries, wages, and benefits (7,743) (6,811) (8,293) (7,649) (7,319) 11 Payroll support and voluntary employee programs, net 2,960 967 12 Fuel and oil (3,310) (1,849) (4,347) (4,616) (3,940) 13 Maintenance materials and repairs (854) (750) (1,223) (1,107) (1,001) 14 Aircraft rentals (198) 15 Landing fees and other rentals (1,456) (1,240) (1,363) (1,334) (1,292) 16 Depreciation and amortization (1,272) (1,255) (1,219) (1,201) (1,218) 17 Other operating expenses (2,394) (1,926) (3,026) (2,852) (2,688) 18 Total operating expenses, net (14,069) (12,864) (19,471) (18,759) (17,656)