Delta Air Lines (DAL) has reported fourth-quarter 2023 earnings (excluding $1.88 from non-recurring items) of $1.28 per share, which comfortably beat the Zacks Consensus Estimate of $1.17. Earnings, however, declined 13.51% on a year-over-year basis due to high labor costs.Revenues of $14,223 million surpassed the Zacks Consensus Estimate of $14,069.5 million and increased 5.87% on a year-over-year basis, driven by strong holiday-air-travel demand. Adjusted operating revenues (excluding third-party refinery ...