TWF

Joslin Field Magic Valley Regional Airport

ICAO KTWF42.4818°N 114.4880°W4,153 ft / 1,266 mMedium airport
On the map

Joslin Field Magic Valley Regional Airport (IATA: TWF, ICAO: KTWF) is a medium airport in Twin Falls, Idaho, United States. It opened in Feb 1948. It has 2 runways; the longest is 8,704 ft (2,653 m). In 2025 it handled 69 thousand passengers.

Timeline

1 event · 1948–1948
FEB 1948
OpenedJoslin Field Magic Valley Regional Airport opens.
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
08/26091° / 271° · LIT
LENGTH8,704 ft2,653 mWIDTH150 ft46 mSURFACEAsphalt
12/30136° / 316° · SLOPE 1.3%
LENGTH3,224 ft983 mWIDTH75 ft23 mSURFACEAsphalt

Passengers per year

2015–2025
72K
82K
95K
96K
106K
48K
72K
35K
43K
67K
69K
1516171819202122232425

Routes

2 destinations · 1 country
Most destinationsDelta Connection 1Breeze Airways 1

Straight lines are great circles; rings mark true distance from TWF. From the Wikipedia article “Magic Valley Regional Airport” (revision of 31 Jul 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers69K (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#1,948of 3,974 · #437 North America · #295 USLongest runway8,704 ft2,653 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft#1,979of 29,823 · #438 North America · #324 USElevation4,153 ft1,266 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=3,267of 43,341 · =1,753 North America · =1,393 USAgeOpened 19482026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=3,279of 15,079 · =2,168 North America · =2,110 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

7 channels
A/DTWIN FALLS APP/DEP126.700
ASOSASOS135.025
CTAFCTAF118.200
GNDTWIN FALLS GND121.700
RDOBOISE RDO122.250
TWRTWIN FALLS TWR118.200
UNICUNICOM122.950