Great Falls

GTF · KGTF

Great Falls International Airport

47.48°, -111.37°MT, United States

Passengers a year

372.5K

#191 busiest in the U.S.

7

nonstop destinations

11

airlines

7

departures a day

86.4%

arrivals on time

0.6%

flights cancelled

80.7%

load factor

The ten busiest routes from GTF, by passengers: DEN, SLC, SEA, AZA, LAS, MSP, ORDGTFMSPORDDENAZASLCLASSEA
Nonstop routes — the ten busiest. Filed traffic, June 2025 – May 2026.

Airlines

United Airlines is the largest carrier at Great Falls, with 37% of all passengers. 11 airlines fly from here.

Share of passengers · each carrier as a slice of the whole airport

United Airlines holds 37% of the airport — the 111th most concentrated of 118 non-hub airports. The nearest comparison is SGU at 38%.

AirlineSharePassengersSeats YoY
UA
United84% fullUnited Express · operated by SkyWest
37.4%139.2K+47.1%
DL
Delta78% fullDelta Connection · operated by SkyWest
35.5%132.3K-24.9%
G4
Allegiant81% full
14.8%55.2K+9.7%
AS
Alaska78% fullOperated by Horizon, SkyWest
11.8%43.9K-25.5%
SY
Sun Country46% full
0.4%1.5K—

Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.

Destinations

7 nonstop destinations from Great Falls, all domestic.

100% domestic · 0% international · by departing passengers

Top domestic destinations

  • Denver (DEN)

    69.6K departing · 84% full

    United Airlines

  • Salt Lake City (SLC)

    59.4K departing · 78% full

    Delta Air Lines

  • Seattle (SEA)

    21.6K departing · 79% full

    Alaska Airlines

  • Mesa (AZA)

    14.1K departing · 85% full

    Allegiant Air

  • Las Vegas (LAS)

    13.3K departing · 77% full

    Allegiant Air

  • Minneapolis (MSP)

    6.2K departing · 83% full

    Delta Air Lines

  • Chicago (ORD)

    724 departing · 95% full

    United Airlines

All nonstop destinations

7 nonstop · 4 airlines · 7 domestic / 0 intl

DENDenver

United Express · operated by SkyWest Airlines

ORDChicago

United Airlines profile

Aircraft

By share of departures at Great Falls.

Body class · share of departures

When Great Falls is busiest

Departures by month over the trailing year. Bars scale to the busiest month.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Departures a month · peak July 2025

Annual passengers since 1990

Total passengers, arriving and departing, in every year on record.

Passengers a year

Every year
1990
387,773
1991
401,688
1992
417,015
1993
407,437
1994
397,993
1995
407,013
1996
414,484
1997
439,852
1998
476,228
1999
446,369
2000
411,594
2001
383,355
2002
365,798
2003
376,553
2004
404,838
2005
453,379
2006
422,590
2007
380,019
2008
345,073
2009
364,649
2010
356,312
2011
379,428
2012
417,753
2013
416,372
2014
430,093
2015
400,849
2016
354,608
2017
343,098
2018
354,803
2019
350,658
2020
160,900
2021
268,284
2022
283,702
2023
356,225
2024
373,483
2025
373,971
2026
143,982 so far

Arriving on time

Of every 100 flights landing at Great Falls, 86 touch down within 15 minutes of schedule, 13 arrive late, and 1 is cancelled.

See live FAA delays

Every 100 arrivals

On time 86Late 13Cancelled 1

9 min

average delay

13

flights cancelled

2.2K

arrivals measured

What holds flights up

Share of delay minutes

Most reliable here

SkyWest Airlines 90.8%

Least reliable here

United Airlines 74.5%

Among US airports

#191

Frequently asked

How busy is Great Falls International Airport (GTF)?

Great Falls International Airport handled about 372.5K passengers over the trailing 12 months, ranking #191 among U.S. airports by passengers, with roughly 7 departures a day.

Which airline is the largest at Great Falls International Airport (GTF)?

United Airlines is the largest carrier at Great Falls (GTF), flying about 37% of its passengers. 11 airlines serve Great Falls in total.

How many places can you fly nonstop from Great Falls International Airport (GTF)?

Great Falls (GTF) has 7 nonstop destinations, all domestic.

How often do flights arrive on time at Great Falls International Airport (GTF)?

About 86.4% of flights arriving at Great Falls (GTF) touch down within 15 minutes of schedule, per US DOT figures. About 0.6% are cancelled.

What aircraft flies most from Great Falls International Airport (GTF)?

The Embraer E175 flew the largest share of departures from Great Falls (GTF), about 70% of the total.

Departing counts passengers leaving Great Falls. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).