Revealed: Southwest Airlines 10 Busiest Airports By Flights

This article was researched and written on June 20. Based on examining Southwest’s entire network using Cirum data, it plans an average of 4,289 daily roundtrip flights in the coming week (June 20-26). A staggering 4,168 daily services (97%) will be domestic. It is the third-largest US domestic operator by flights and the number six in the country’s short-haul international market.