Great Falls International Airport
Daylight today(Aug 30, 2026, local time)
About 13h 29m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Great Falls International Airport
Great Falls International Airport is a public/military airport in city limits three miles southwest of central Great Falls in Cascade County, Montana, United States. The airport has also been called Great Falls Municipal Airport.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KGTFNOTAMs
KGTFReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (3)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 03 / 21 | 10,502 ft / 3,201 m | 150 ft | Asp | Lighted | Open |
| 17 / 35 | 6,030 ft / 1,838 m | 150 ft | Asp | Lighted | Open |
| 07 / 25 | 4,294 ft / 1,309 m | 75 ft | Asp | Lighted | Open |
Radio frequencies (7)
| Type | Description | Frequency |
|---|---|---|
| A/D | APP/DEP | 128.600 MHz |
| ATIS | ATIS | 126.600 MHz |
| GND | GND/CLNC DEL | 121.700 MHz |
| OPS | ANG OPS MAINT | 28.890 MHz |
| RDO | RDO | 122.600 MHz |
| TWR | TWR | 118.700 MHz |
| UNIC | UNICOM | 122.950 MHz |
Navaids(2)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Takeoff & alternate minimums (2)
Showing 7 of 14 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(1)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| GREAT FALLS CLASS D | Class D | Controlled | GND | 6200 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: SW (from about 225°), on 23% of observations, averaging 13 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 89% | 2,505 ft | |
| Feb | 78% | 1,811 ft | |
| Mar | 81% | 2,679 ft | |
| Apr | 84% | 3,147 ft | |
| May | 88% | 4,026 ft | |
| Jun | 93% | 4,524 ft | |
| Jul | 96% | 5,101 ft | |
| Aug | 94% | 4,918 ft | |
| Sep | 90% | 4,385 ft | |
| Oct | 86% | 3,378 ft | |
| Nov | 86% | 2,785 ft | |
| Dec | 85% | 2,597 ft |
VFR MVFR IFR LIFR· density altitude ranges ~1,811–5,101 ft through the year· Source: NWS/IEM ASOS archive.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | — | 3,560 ft | — |
| Obstacle | — | 3,576 ft | — |
| Obstacle | — | 3,583 ft | — |
| Obstacle | — | 3,576 ft | — |
| Obstacle | — | 3,586 ft | — |
| Obstacle | — | 3,599 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Great Falls International Airport.
Frequently asked questions
What is the ICAO code for Great Falls International Airport?
The ICAO code for Great Falls International Airport is KGTF, and its IATA code is GTF.
Where is Great Falls International Airport located?
Great Falls International Airport is medium airport located in Great Falls, United States, at an elevation of 3,680 ft (1,122 m).
How many runways does Great Falls International Airport have?
Great Falls International Airport has 3 runways, the longest being 10,502 ft / 3,201 m.
Which airlines fly to Great Falls International Airport?
Airlines historically serving Great Falls International Airport include Alaska Airlines, Allegiant Air, Delta Air Lines, United Airlines (based on OpenFlights route data, which may be out of date).
How many destinations are served from Great Falls International Airport?
Historical data lists 7 nonstop destinations from Great Falls International Airport. Always check current schedules.
What time zone is Great Falls International Airport in?
Great Falls International Airport is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Great Falls International Airport?
The magnetic variation (declination) at Great Falls International Airport is approximately 11.6° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Great Falls International Airport?
The nearest airport to Great Falls International Airport is Smith Farms Airport (MT76), about 6.4 nm to the sw, followed by Bair Airport and Horner Field.
Is the information on this page suitable for flight planning?
No. Great Falls International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.