American Airlines leads U.S. carriers in December flight frequencies

American Airlines leads U.S. carriers in December flight frequencies, scheduling over 182,000 flights, an 8.8% increase from last year. Delta Air Lines and United Airlines follow with 144,259 and 139,743 flights, respectively. Six U.S. airlines rank among the top 20 globally for flight frequencies. Alaska Airlines and JetBlue have 36,773 and 28,321 flights, while Hawaiian Airlines adds 7,071 flights, though they remain behind larger competitors. All six U.S. airlines have cut weekly flights compared to November, totaling 9,447 fewer. Southwest Airlines saw the largest reduction, cutting 10,733 flights, or 26.5% year-on-year.