Airport
Sioux Gateway Airport / Brigadier General Bud Day Field
SUX · Sioux City, IA
- IATA Code
- SUX
- ICAO Code
- KSUX
- City
- Sioux City
- Country
- United States
- Website
- www.sioux-city.org
Sioux Gateway Airport / Brigadier General Bud Day Field is a regional airport serving Sioux City, IA. Its IATA code is SUX and its ICAO code is KSUX.
The airfield sits 1,098 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through SUX recently? Share your experience to help other travelers.
SUX by the numbers
IATA SUX · ICAO KSUX · 1,098 ft elevation · Map
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Official departure punctuality
Ranks #205 of 358 U.S. airports for on-time departures
- On-time departures
- 79.6%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 106 min
- Flights arriving 15+ minutes late
- Flights tracked
- 901
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Late-arriving aircraft 33%
- Air traffic control & airport 21%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Busiest routes from SUX
| Route | Flights | On time |
|---|---|---|
| Denver (DEN) | 536 | 71% |
| Chicago (ORD) | 365 | 81% |
Airlines departing SUX
| Airline | Flights | On-time departures |
|---|---|---|
| SkyWest Airlines | 901 | 80% |
Runways
| Runway | Length | Surface |
|---|---|---|
| 13/31 | 9,002 ft | CON, lighted |
| 17/35 | 6,600 ft | ASP, lighted |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 119.450 MHz
- Tower 118.700 MHz
- Ground 121.900 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: SUX, KSUX, Sioux City airport, Sioux Gateway Airport / Brigadier General Bud Day Field
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