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Loss Per Share | 3 Months Ended
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Dec. 31, 2024
Earnings Per Share [Abstract] |
Loss Per Share | 10. Loss Per Share Calculations of net loss per common share were as follows (in thousands, except per share data):
|  | December 31, |  |  | September 30, |  |
|  | 2024 |  |  | 2023 (unaudited) |  |  | 2024 |  |  | 2023 |  |  | 2022 |  |
Net loss |  | $ | (111,944 | ) |  | $ | (57,850 | ) |  | $ | (91,015 | ) |  | $ | (120,116 | ) |  | $ | (182,678 | ) |
Basic weighted average common shares outstanding |  |  | 41,332 |  |  |  | 40,940 |  |  |  | 41,137 |  |  |  | 39,465 |  |  |  | 36,133 |  |
Diluted weighted average common shares outstanding |  |  | 41,332 |  |  |  | 40,940 |  |  |  | 41,137 |  |  |  | 39,465 |  |  |  | 36,133 |  |
Net loss per common share attributable to Mesa Air Group: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | (2.71 | ) |  | $ | (1.41 | ) |  | $ | (2.21 | ) |  | $ | (3.04 | ) |  | $ | (5.06 | ) |
Diluted |  | $ | (2.71 | ) |  | $ | (1.41 | ) |  | $ | (2.21 | ) |  | $ | (3.04 | ) |  | $ | (5.06 | ) |
Basic loss per common share is computed by dividing net loss attributable to Mesa Air Group by the weighted average number of common shares outstanding during the period. The number of incremental shares from the assumed issuance of shares relating to restricted stock and exercise of warrants (excluding warrants with a nominal conversion price) is calculated by applying the treasury stock method. Share-based awards and warrants whose impact is considered to be anti-dilutive under the treasury stock method were excluded from the diluted net loss per share calculation. In loss periods, these incremental shares are excluded from the calculation of diluted loss per share, as the inclusion of unvested restricted stock and warrants would have an anti-dilutive effect. The following number of weighted-average potentially dilutive shares (in thousands) were excluded from the calculation of diluted net loss per share because the effect of including such potentially dilutive shares would have been anti-dilutive:
|  | December 31, |  |  | September 30, |  |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |  |  | 2022 |  |
Warrants |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 758 |  |
Restricted stock |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 106 |  |
|  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 864 |  |

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