Whetstone International Airport
Daylight today(Jul 17, 2026, local time)
About 15h 44m 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 Whetstone International Airport
Frank Whetstone International Airport or Del Bonita/Whetstone International Airport is a public use airport at the Canada–US border, in Port of Del Bonita, Glacier County, Montana, 2 nautical miles south of Del Bonita, Cardston County, Alberta. The airport is owned by the U.S. state of Montana and is operated by the Montana Department of Transportation Aeronautics Division. It is located 31 miles (50 km) northwest of the city of Cut Bank, Montana.
Summary from Wikipedia licensed under CC BY-SA.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 07 / 25 | 4,440 ft / 1,353 m | 65 ft | Turf-g | Unlit | Open |
Nearby airports
Great-circle distance and true bearing from Whetstone International Airport.
Frequently asked questions
Where is Whetstone International Airport located?
Whetstone International Airport is small airport located in Port of Del Bonita, United States, at an elevation of 4,336 ft (1,322 m).
How many runways does Whetstone International Airport have?
Whetstone International Airport has 1 runway, the longest being 4,440 ft / 1,353 m.
What time zone is Whetstone International Airport in?
Whetstone International Airport is in the America/Denver time zone (UTC-06:00).
What is the magnetic variation at Whetstone International Airport?
The magnetic variation (declination) at Whetstone International Airport is approximately 12.4° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Whetstone International Airport?
The nearest airport to Whetstone International Airport is Del Bonita / Whetstone International Airport (CEQ4), about 0.5 nm to the e, followed by Cardston Airport and Babb Airport.
Is the information on this page suitable for flight planning?
No. Whetstone International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.