• Delta Air Lines average pre-tax profit margin for 2023 was 7.31%, a 224.89% increase from 2022.
• Delta Air Lines average pre-tax profit margin for 2022 was 2.25%, a 105.06% increase from 2021.
• Delta Air Lines average pre-tax profit margin for 2021 was -44.47%, a 21.24% decline from 2020.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.