United Airlines (UAL) shares fell by 11.4% amid market volatility and investor reactions to Delta Air Lines’ (DAL) disappointing earnings report, which indicated deteriorating conditions likely affecting United’s upcoming first-quarter 2025 results. Both airlines have warned about the negative impact of tariffs on bookings, with Delta’s revenue growth dropping from a projected 7-9% to 3.3%, while international and premium travel showed some resilience. Long-term investors remain hopeful as Delta plans to reduce capacity growth in response to market conditions, emphasizing industry discipline during slowdowns.