• Delta Air Lines average net profit margin for 2024 was 7.32%, a 28.65% decline from 2023.
• Delta Air Lines average net profit margin for 2023 was 5.69%, a 297.9% increase from 2022.
• Delta Air Lines average net profit margin for 2022 was 1.43%, a 104.12% increase from 2021.

Net profit margin can be defined as net Income as a portion of total sales revenue.