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Cheyenne Regional/Jerry Olson Field (CYS) had nonstop service to 3 destinations on 4 airlines in our June 14, 2026 departure snapshot. The busiest route was to Denver (DEN), served by 3 carriers, and the largest operator here was Sun Country Airlines with nonstops to 2 destinations.
Route data as of June 14, 2026, based on a 7-day departures sample. Routes may have changed since this snapshot.
You can fly nonstop from CYS to 3 destinations. Current schedules show about 2.9 flights per day across those routes. The busiest options start with Denver (DEN), Evanston (EVW), Boise (BOI).
0 international routes in this schedule set
United States 3
2-3/day on 3 airlines
Boeing 737 · Bombardier CRJ · Fairchild-Swearingen SA226
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Cheyenne Regional/Jerry Olson Field (CYS / KCYS) is located in Cheyenne, United States.
The IATA code is CYS. The ICAO code is KCYS.
The busiest scheduled route from CYS in our June 14, 2026 departure data was CYS to DEN (Denver), with 2-3/day across 3 airlines.
Sun Country Airlines was the largest operator in our CYS schedule data, serving 2 destinations with weekly.
CYS has 0 international routes and 3 domestic routes in the current schedule set.
4 airlines operated at CYS in our June 14, 2026 snapshot. Top carriers include Sun Country Airlines, United Airlines, Denver Air Connection, Kabo Air.
CYS has direct flights to 3 destinations including Denver, Evanston, Boise.
View live arrivals and departures at CYS on FlightRadar24.
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