Las Vegas: Avelo to add route to Northern Colorado in December Mick Akers, Las Vegas Review-Journal · October 13, 2021 at 2:47 pm Avelo Airlines continues to increase its Las Vegas routes with nonstop service to Northern Colorado set to launch in December. The new route between McCarran International Airport and Northern Colorado Regional Airport (FNL) begins Dec. 15, the airline announced Wednesday. The airport mainly serves the Fort Collins-Loveland, Colorado area, but is located 50 miles from downtown Denver. The flights to and from Las Vegas will operate on Wednesdays and Saturdays. The flight will depart McCarran at 1:40 p.m. and arrive in Fort Collins at 4:30 p.m. The returning flight departs Northern Colorado Regional Airport at 12:05 p.m., arriving in Las Vegas at 1 p.m.