• Southwest Airlines average operating margin for 2023 was 1.86%, a 73.35% decline from 2022.
• Southwest Airlines average operating margin for 2022 was 6.98%, a 150.32% decline from 2021.
• Southwest Airlines average operating margin for 2021 was -13.87%, a 22.42% decline from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.