en.Wedoany.com Reported - Allegiant Air is significantly reducing its route network in California. According to U.S. Department of Transportation (DOT) data, in the 12 months ending March 2026, only 943,000 passengers (5% of the total) flew to or from California, ranking Allegiant as the tenth-largest domestic carrier in the state.
The ultra-low-cost carrier (ULCC) has gradually ceased operations at several major California airports: exiting San Diego International Airport (SAN) in September 2025, Los Angeles International Airport (LAX) in January 2026, and Oakland International Airport (OAK) in May 2026. However, Burbank joined its route map in February 2026. Burbank Airport was the first base for U.S. carrier Avelo Airlines and was also used as a Greater Los Angeles area airport by the short-lived Ryanair-modeled airline SkyBus. Based on an analysis of OAG data comparing the route networks for July 2025 and July 2026, Allegiant removed 24 California routes involving five airports, with LAX, OAK, and SAN accounting for 22 of them. During the same period, the airline introduced 9 new routes, all from Hollywood Burbank Airport (BUR) and John Wayne Airport-Orange County (SNA), which are used as low-cost, low-congestion alternatives to LAX.
By July 2026, Allegiant will fly to 42 states. Its California flight volume is expected to be 327 departures (doubled for round trips), a 31% year-over-year decline, dropping its ranking in California from 8th to 13th. Daily flight variations are significant, ranging from just 1 departure on Tuesdays to a maximum of 17 departures on Sundays. At that time, 23 routes will be in operation, down from 38 in July 2025.
Among the terminated routes, some markets are still served by other carriers. For example, the routes from Fresno Yosemite International Airport (FAT) to Portland and from SAN to Medford are exclusively operated by Alaska Airlines; Horizon Air's Embraer E175 has been flying the SAN to Medford route since May 2025. At LAX, Alaska Airlines operates the Spokane route, Delta Air Lines flies to Cincinnati, Indianapolis, and Spokane, and American Airlines operates routes to Indianapolis, Northwest Arkansas, Omaha, and Tulsa.
Allegiant's terminated California routes are as follows: FAT to Portland; LAX to Bellingham, Cedar Rapids, Cincinnati, Grand Rapids, Indianapolis, Little Rock, McAllen, Northwest Arkansas, Omaha, Sioux Falls, Spokane, Springfield (Missouri), Tulsa, Wichita; OAK to Bellingham, Idaho Falls, Kalispell, Missoula; SAN to Bellingham, Des Moines, Medford, Provo; Stockton Metropolitan Airport (SCK) to Denver. Among these, LAX to Bellingham and Indianapolis have been shifted to BUR, while LAX to Cincinnati, Grand Rapids, and Spokane have been shifted to SNA.
The Stockton to Denver route existed only briefly. It launched on May 22, 2025, using 156-seat Airbus A319 aircraft, operating twice weekly until August 31, 2025. DOT data shows that during this period, Allegiant carried 4,883 round-trip passengers, with a load factor of 59.9% and an average fare (excluding ancillary fees and taxes) of just $20. During the same period, the ULCC's average load factor across all Stockton routes was 73.6%, lower than its overall California operations load factor of 84.9% and its nationwide systemwide load factor of 84.4%.
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