ATY

Watertown Regional Airport

ICAO KATY44.9140°N 97.1547°W1,749 ft / 533 mMedium airport
On the map
Watertown Regional Airport-SD-31 August 1991-USGS
United States Geological Survey (USGS) · Public domain · Commons

Watertown Regional Airport (IATA: ATY, ICAO: KATY) is a medium airport in Watertown, South Dakota, United States. It opened in Dec 1937. It has 2 runways; the longest is 6,898 ft (2,103 m). In 2025 it handled 27 thousand passengers.

Timeline

1 event · 1937–1937
DEC 1937
OpenedWatertown Regional Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
12/30125° / 305° · LIT
LENGTH6,898 ft2,103 mWIDTH100 ft31 mSURFACEConcrete
17/35180° / 360° · LIT
LENGTH6,893 ft2,101 mWIDTH100 ft31 mSURFACEConcrete

Passengers per year

2017–2025
22K
14K
37K
31K
31K
29K
27K
17202122232425

Routes

2 destinations · 1 country
Most destinationsDelta Connection 1United Express 1

Straight lines are great circles; rings mark true distance from ATY. From the Wikipedia article “Watertown Regional Airport” (revision of 7 Jul 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers27K (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#2,329of 3,974 · #540 North America · #368 USLongest runway6,898 ft2,103 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=3,579of 29,823 · =880 North America · =669 USElevation1,749 ft533 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft#10,261of 43,341 · #4,540 North America · #3,422 USAgeOpened 19372026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=703of 15,079 · =141 North America · =123 USRunways21 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=713of 29,943 · =435 North America · =391 US
Scale: 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

4 channels
ASOSASOS126.625
CNTRMINNEAPOLIS CNTR128.500
RDOHURON RDO122.500
UNICCTAF/UNICOM123.050