The top U.S. airlines and airports improved upon their Thanksgiving on-time performance this year compared to 2022.According to the latest analysis from leading global travel data provider OAG, the on-time performance of major U.S. airlines improved by one percentage point over last year's holiday, reaching 85.7 percent.OAG examined the on-time performance of all airports and airlines on Thanksgiving Eve (November 22), which is one of the busiest travel days of the year. In 2023, airlines and airports overcame not only crowds but weather disruptions to improve upon last year.According to OAG, nearly 18,400 flights arrived on time—within 15 minutes of the scheduled time—among the major U.S. carriers on November 22. Two airlines—Delta Air Lines (91.5 percent) and United Airlines (90.5 percent)—even achieved over 90 percent on-time performance across their domestic networks.Alaska Airlines and Hawaiian Airlines also saw improvements over last year, with on-time performance rates of 89.4 percent and 89.3 percent, respectively. Meanwhile, fifth-ranked Southwest Airlines reported a dip from 88.5 percent in 2022 to 86.9 percent in 2023.American Airlines (84.4 percent), Allegiant Air (84.2 percent), Frontier Airlines (76.2 percent) and Breeze Airways (62.3 percent) all improved upon last year while Sun Country Airlines (84.8 percent), JetBlue (64.8 percent), Spirit Airlines (61.7 percent) and Cape Air (33 percent) all lost ground compared to Thanksgiving Eve 2022.