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Denver (DEN) to Great Falls (GTF)

623mi
1,003 km542 nm

Flight time

≈ 2h 03m

Bearing

330° NW

Denver (DEN) to Great Falls (GTF) is 623 miles (1,003 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: DEN → GTFDENGTF

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What actually flies DENGTF

US DOT T-100 · filed data

In April 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop DEN–GTF; the Airbus A319 was the most common aircraft at 88% of departures; flights ran 77% full.

Departures

121

April 2026

Seats

15,482

both directions

Passengers

11,984

both directions

Load factor

77.4%

passengers ÷ seats

Who flies DEN–GTF?

United Airlines operated the most nonstop DEN–GTF departures in April 2026 (120), one of 2 carriers on the route.

  • UA

    United Airlines

    120 departures · 15,432 seats

    77.7%

    Load

  • OO

    SkyWest Airlines

    1 departures · 50 seats

    0.0%

    Load

What plane flies DEN–GTF?

In April 2026, the Airbus A319 flew 88% of DEN–GTF departures — more than any other aircraft type.

How has DEN–GTF traffic changed?

Nonstop DEN–GTF departures fell from 122 in May 2025 to 121 in April 2026.

Monthly nonstop DENGTF traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • May 2025

    122 departures · 9,359 passengers

    83.3%

    Load

  • June 2025

    120 departures · 13,184 passengers

    85.6%

    Load

  • July 2025

    123 departures · 13,880 passengers

    87.2%

    Load

  • August 2025

    123 departures · 13,278 passengers

    84.3%

    Load

  • September 2025

    121 departures · 12,983 passengers

    82.7%

    Load

  • October 2025

    123 departures · 12,697 passengers

    81.1%

    Load

  • November 2025

    119 departures · 9,813 passengers

    79.3%

    Load

  • December 2025

    126 departures · 9,465 passengers

    87.4%

    Load

  • January 2026

    124 departures · 8,878 passengers

    88.7%

    Load

  • February 2026

    110 departures · 7,202 passengers

    86.3%

    Load

  • March 2026

    122 departures · 11,246 passengers

    75.9%

    Load

  • April 2026

    121 departures · 11,984 passengers

    77.4%

    Load

By direction

The DOT files each direction separately — they rarely match.

DENGTF

76.4% full

61 departures · 5,942 passengers

GTFDEN

78.4% full

60 departures · 6,042 passengers

Nonstop DEN–GTF traffic has been filed with the US DOT since 2025.

Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.

The airports

DEN

US

Denver International Airport

Coordinates

39.86°N, 104.67°W

Hemisphere

N · W

GTF

US

Great Falls International Airport

Coordinates

47.48°N, 111.37°W

Hemisphere

N · W

Frequently asked

How far is Denver (DEN) from Great Falls (GTF)?

DEN to GTF is 623 miles (1,003 km / 542 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from DEN to GTF?

A nonstop covers the 623-mile great-circle distance in roughly 2h 03m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies DEN–GTF?

In April 2026, the Airbus A319 flew the largest share of departures (88.4%), followed by the Airbus A320 (10.7%).

What mileage do I earn flying DEN–GTF?

Distance-based programs credit off the 623-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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