Loading
This is taking longer than expected.
This is taking longer than expected.
This is taking longer than expected.
This is taking longer than expected.
Sioux Gateway/Brig General Bud Day Field (SUX) currently has nonstop service to 3 destinations on 2 airlines in our latest departure data. The busiest route is to Denver (DEN), and the largest operator here is United Airlines with nonstops to 2 destinations.
Route data as of October 17, 2026, based on a 7-day departures sample.
This schedule snapshot includes nonstop flights from SUX to 3 destinations. The snapshot shows about 2.3 flights per day across those routes. The busiest options start with Chicago (ORD), Burlington (BTV), Denver (DEN).
0 international routes in this schedule set
United States 3
1/day
Bombardier CRJ
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.
Sioux Gateway/Brig General Bud Day Field (SUX / KSUX) is located in Sioux City, United States.
The IATA code is SUX. The ICAO code is KSUX.
The busiest scheduled route from SUX in our current departure data is SUX to DEN (Denver), with 1/day.
United Airlines is the largest operator in our SUX schedule data, serving 2 destinations with 1-2/day.
This schedule snapshot includes 0 international routes and 3 domestic routes from SUX.
2 airlines operate at SUX. Top carriers include United Airlines, American Airlines.
This schedule snapshot includes direct flights from SUX to 3 destinations including Denver, Chicago, Burlington.
View live arrivals and departures at SUX on FlightRadar24.
Every day, FlightQ picks a mystery airport. Each miss reveals more of its destination network. Real departure data, no filler.
Play today's airport quiz →