Southwest Airlines Co. reported unaudited consolidated operating results for the fourth quarter and full year ended December 31, 2023. For the quarter, the company reported revenue passengers carried of 35,983,000 against 32,899,000 a year ago. Enplaned passengers was 44,766,000 against 40,536,000 a year ago. Revenue passenger miles was 35,580 million against 31,303 million. Available seat miles was 45,513 million against 37,490 million a year ago. Load factor was 78.2% against 83.5% a year ago.

For the full year, the company reported revenue passengers carried of 137,279,000 against 126,586,000 a year ago. Enplaned passengers was 171,817,000 against 156,982,000 a year ago. Revenue passenger miles was 136,256 million against 123,843 million. Available seat miles was 170,323 million against 148,467 million a year ago. Load factor was 80.0% against 83.4% a year ago.