Exhibit 31.1
Rule 13a-14(a)/15d-14(a) Certification of the Chief Executive Officer
I, John W. Dietrich, certify that:
| 1. | I have reviewed this Annual Report on Form 10-K/A of Atlas Air Worldwide Holdings, Inc.; |
| 2. | Based on my knowledge, this Report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this Report; |
| /s/ John W. Dietrich |
| John W. Dietrich |
| President and Chief Executive Officer |
Dated: April 28, 2020