• United Airlines Holdings Inc average return on investment for 2023 was 7.3, a 428.83% increase from 2022.
• United Airlines Holdings Inc average return on investment for 2022 was -2.22, a 83.64% decline from 2021.
• United Airlines Holdings Inc average return on investment for 2021 was -13.57, a 17.29% decline from 2020.

Roi - return on investment can be defined as an indicator of how profitable a company is relative to its assets invested by shareholders and long-term bond holders. Calculated by dividing a company's operating earnings by its long-term debt and shareholders equity.