SFO, LaGuardia Lead Holiday Weather Delays (travelagentcentral.com)

Weather caused 21.9% of delays at major U.S. airports during holiday months from November 2021 through January 2026. San Francisco International recorded the highest rate at 40.3%, followed by LaGuardia at 38.9%. Los Angeles had the lowest impact among top hubs, with weather accounting for just 10.2% of its delays.