Allegiant Air has announced a major network shift that includes plans to launch 24 new routes and resume service to two cities: Fort Collins, Colorado and West Palm Beach.

The routes include a mix of year-round and seasonal services. All starting in mid-November and most connecting smaller cities to warm-weather destinations like Las Vegas, Punta Gorda, Sarasota and Tucson.

The expansion includes routes to Fort Collins from Phoenix-Mesa Gateway airport and Allegiant's home city of Las Vegas. Allegiant last served Fort Collins in 2012, according to Cirium Diio data.

Allegiant will also link West Palm Beach, which it last served in 2016, to a half dozen cities.

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