The WACC of Delta Air Lines Inc (DAL) is 6.0%.
| Range | Selected | |
| Cost of equity | 6.00% - 8.10% | 7.05% |
| Tax rate | 22.10% - 25.70% | 23.90% |
| Cost of debt | 5.10% - 5.40% | 5.25% |
| WACC | 5.3% - 6.8% | 6.0% |
| Category | Low | High |
| Long-term bond rate | 3.9% | 4.4% |
| Equity market risk premium | 4.6% | 5.6% |
| Adjusted beta | 0.46 | 0.57 |
| Additional risk adjustments | 0.0% | 0.5% |
| Cost of equity | 6.00% | 8.10% |
| Tax rate | 22.10% | 25.70% |
| Debt/Equity ratio | 0.48 | 0.48 |
| Cost of debt | 5.10% | 5.40% |
| After-tax WACC | 5.3% | 6.8% |
| Selected WACC | 6.0% | |