MSN
Dane County Regional Truax Field

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 · 1942–19421942
OpenedDane County Regional Truax Field opens.
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF18/36182° / 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
2014–20251.7M
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 countryYear-round5
CLTCharlotte Douglas International AirportUnited States · American Airlines1,139 km708 miDFWDallas Fort Worth International AirportUnited States · American Airlines1,322 km821 miTPATampa International AirportUnited States · Breeze Airways1,793 km1,114 miRSWSouthwest Florida International AirportUnited States · Breeze Airways1,970 km1,224 miPHXPhoenix Sky Harbor International AirportUnited States · American Airlines2,243 km1,394 miMost 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 · 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
11 channelsAPPMADISON 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