Skywest Airlines

Skywest Airlines (IATA: OO, ICAO: SKW) is a regional airline established in April 1972 and based in the United States. Operating a fleet of 498 aircraft as of 2024, Skywest serves 256–263 destinations across North America and carried 46 million passengers in 2025, operating approximately 2,260 flights daily on average.

The airline operates as a regional carrier for four major U.S. network airlines: Delta Air Lines, United Airlines, American Airlines, and Alaska Airlines. This partnership model allows Skywest to maintain extensive connectivity while operating under codeshare agreements. Through Alaska Airlines, Skywest is affiliated with the Oneworld alliance, providing passengers with access to alliance benefits and global networks.

Skywest maintains operational hubs at Los Angeles International Airport, Chicago O'Hare International Airport, Denver International Airport, Salt Lake City International Airport, Milwaukee Mitchell International Airport, and San Francisco International Airport. Its fleet consists of Bombardier regional jets-the CRJ700, CRJ900, and CRJ-200LR-aircraft designed for short- to mid-range routes with typical capacity for 50–90 passengers, making them ideal for connecting regional traffic.