Key Takeaways Airline earnings are set to kick off this week with results from Delta. United Airlines, Alaska Airlines, and others are set to follow later this month.Investors and analysts are likely to focus on their outlooks for 2026, and what executives have to say about the state of travel demand. Investors could get an early peek into the outlook for travel demand this year as major airlines start reporting earnings this week. Delta Air Lines (DAL) is set to lead the way with its results on Tuesda ...