Joslin Field Magic Valley Regional Airport
Joslin Field Magic Valley Regional Airport (KTWF/TWF) is a medium regional airport located in Twin Falls, ID, 117 mi south east of Boise. It features 2 runways with the longest being 8,704 feet. SkyMeter has observed roughly 26 arrivals and 29 departures per day on average over the last 7 days, served by 14 carriers across 19 routes. The most active carrier is SKY West Aviation (SKW). The busiest route is to Salt Lake City International Airport (KSLC).
Safety incidents
Last 7 days · 3 total
Current weather
Latest METAR observation
Observed weather patterns
- • 10 of 59 unstable approaches (17%) coincided with wind speeds above 20 kt or gusts above 25 kt — 2.1× the rate observed during clear conditions.
Statistical association, not causation. Last 30 days.
Delays by hour
Avg minutes · local time · last 30 days
Top carriers
Share of flights
Carriers
Show 13 more carriers →
JNX
Communications Frequencies
2026-06-11| Type | Freq (MHz) | Hours |
|---|---|---|
| CTAF | 118.200 | — |
| TWR | 118.200 | 0600-2100 |
| TWR | 317.500 | 0600-2100 |
| GND | 121.700 | 0600-2100 |
| APCH | 126.700 | 0600-2100 |
| APCH | 353.750 | 0600-2100 |
| UNICOM | 122.950 | — |
| ASOS | 135.025 | — |
| BURLEY R | 118.050 | — |
| OTHER | 118.050 | — |
| LCL/P | 118.200 | 0600-2100 |
| OTHER | 122.300 | — |
| TWIN FAL | 122.300 | — |
| CD/P | 123.650 | 0600-2100 |
| OTHER | 123.650 | 0600-2100 |
| LCL/P | 317.500 | 0600-2100 |
| BURLEY R | 363.000 | — |
| OTHER | 363.000 | — |
Airport operations
- ARTCC:
- ZLC
- Mag var:
- 13° E
- Fuel:
- 100LL, A1+
Destination network
Great-circle routes from KTWF · last 7d
Hourly traffic
Avg movements per hour · local time · last 30 days
Top routes
Click any segment for full inspection
| Route | Operator | Flights | Avg enroute |
|---|---|---|---|
TWFSLC Salt Lake City, US |
SKW
SKY West Aviation |
38 | 0h 41m |
TWFBYI Burley, US |
TKR
FOR Firefighting Purposes- NOT TO BE Assigned |
4 | 0h 20m |
TWFU94 Hazelton, US |
TKR
FOR Firefighting Purposes- NOT TO BE Assigned |
4 | 0h 17m |
TWFLAS Las Vegas, US |
MXY
Breeze Airways |
4 | 1h 39m |
TWFPVU Provo, US |
EJA
Netjets Aviation |
3 | 0h 50m |
TWFVNY Van Nuys, US |
DLX
Dreamline Aviation |
3 | 1h 49m |
TWFTEB Teterboro, US |
EJA
Netjets Aviation |
2 | 4h 29m |
TWFUGN Chicago/Waukegan, US |
EJA
Netjets Aviation |
2 | 3h 33m |
TWFMSP Minneapolis, US |
JNX
FLY Dreams |
2 | 3h 7m |
TWFLGU Logan, US |
CBC
Longhorn Aviation |
2 | 0h 52m |
TWFU94 Hazelton, US |
CBC
Longhorn Aviation |
2 | 0h 16m |
TWFUS-0188 San Francisco, US |
EJA
Netjets Aviation |
2 | 1h 59m |
TWFBOI Boise, US |
CXK
ATP Flight School |
2 | 1h 29m |
TWFBOI Boise, US |
TIV
Corporate Flight International |
2 | 1h 44m |
TWFKJER Jerome, US |
CAP
United States AIR Force Auxiliary / Civil AIR Patrol (Richmond |
2 | 0h 25m |
TWFRNO Reno, US |
MNL
MNL |
2 | 1h 56m |
TWFBFI Seattle, US |
TWY
Sunset Aviation |
1 | 1h 18m |
TWFMKC Kansas City, US |
EJA
Netjets Aviation |
1 | 4h 3m |
TWFABE Allentown, US |
EJA
Netjets Aviation |
1 | 5h 4m |
TWFAMA Amarillo, US |
EJA
Netjets Aviation |
1 | 2h 46m |