MSN

Dane County Regional Truax Field

ICAO KMSN43.1399°N 89.3375°W887 ft / 270 mMedium airport
On the map
Truaxfield-16may2000
United States Geological Survey (USGS) · Public domain · Commons

Dane County Regional Truax Field (IATA: MSN, ICAO: KMSN) is a medium airport in Madison, Wisconsin, United States. It opened in 1942. It has 3 runways; the longest is 9,006 ft (2,745 m). In 2025 it handled 2.4 million passengers.

Timeline

1 event · 1942–1942
1942
OpenedDane County Regional Truax Field opens.

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
18/36182° / 002° · LIT
LENGTH9,006 ft2,745 mWIDTH150 ft46 mSURFACEConcrete
03/21029° / 209° · LIT
LENGTH7,200 ft2,195 mWIDTH150 ft46 mSURFACEConcrete
14/32136° / 316° · LIT
LENGTH5,846 ft1,782 mWIDTH150 ft46 mSURFACEConcrete

Passengers per year

2014–2025
1.7M
1.7M
1.8M
1.9M
2.1M
2.3M
840K
1.4M
1.8M
2.1M
2.3M
2.4M
141516171819202122232425

Routes

8 destinations · 1 country
Most destinationsBreeze Airways 5American Airlines 3

Straight lines are great circles; rings mark true distance from MSN. Dashed: seasonal or charter. From the Wikipedia article “Dane County Regional Airport” (revision of 17 Sep 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers2.4M (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#520of 3,974 · #124 North America · #97 USLongest runway9,006 ft2,745 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft=1,762of 29,823 · =365 North America · #270 USElevation887 ft270 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=19,717of 43,341 · =9,038 North America · =7,360 USAgeOpened 19422026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=1,791of 15,079 · =924 North America · =885 USRunways31 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=151of 29,943 · =83 North America · =81 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

11 channels
APPMADISON APP120.100
ATISATIS124.650
CLDMADISON CLNC DEL121.620
CTAFCTAF119.300
DEPMADISON DEP126.850
GNDMADISON GND121.900
MISCARNG OPS40.800
OPSANG OPS138.250
RDOGREEN BAY RDO122.600
TWRMADISON TWR119.300
UNICUNICOM122.950