SUX
Sioux Gateway Airport / Brigadier General Bud Day Field

Sioux Gateway Airport / Brigadier General Bud Day Field (IATA: SUX, ICAO: KSUX) is a medium airport in Sioux City, Iowa, United States. It opened in 1942. It has 2 runways; the longest is 9,002 ft (2,744 m). In 2025 it handled 59 thousand passengers.
Timeline
3 events · 1942–19891942
OpenedSioux Gateway Airport / Brigadier General Bud Day Field opens.
19 JUL 1989
DisasterAviation accident.
19 JUL 1989
DisasterUnited Airlines Flight 232.111 killed
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF13/31136° / 316° · LIT
LENGTH9,002 ft2,744 mWIDTH150 ft46 mSURFACEConcrete
18/36181° / 001° · LIT
LENGTH6,401 ft1,951 mWIDTH100 ft31 mSURFACEAsphalt
Passengers per year
2012–202554K
53K
73K
84K
90K
95K
34K
63K
52K
54K
57K
59K
121516171819202122232425
Routes
2 destinations · 1 countryStraight lines are great circles; rings mark true distance from SUX. From the Wikipedia article “Sioux Gateway Airport” (revision of 24 Sep 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
8 channelsA/DSIOUX CITY APP/DEP124.600
ATISATIS119.450
CTAFCTAF118.700
GNDGND121.900
OPSANG COMD POST37.310
RDOFORT DODGE RDO122.450
TWRSIOUX CITY TWR118.700
UNICUNICOM122.950