How delayed is Great Falls, MT (GTF)?

Great Falls, MT has an on-time rate of 86.3%. The average delay is 12.4 min.

What causes delays at GTF?

The main delay causes at GTF are carrier issues (46.9%), weather (16.8%), NAS/air traffic control (14.0%), and late arriving aircraft (22.2%).

What is the best time to fly from GTF?

The best time to fly from GTF is at 5:00 with a 92.4% on-time rate. Sep is the best month with 89.9% on-time flights.

Great Falls, MT

Great Falls, MT, MT — GTF

On-Time Rate

86.3%

2019-2025

Avg Delay

12.4 min

when delayed

Cancel Rate

1.2%

flights cancelled

Total Flights

16,215

2019-2025

Best Month

Sep

89.9% on-time

Worst Month

Feb

80.3% on-time

Best Departure Time

5:00

92.4% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at GTF

Airline	Flights	On-Time	Avg Delay
SkyWest Airlines	12,825	88.8%	N/A
Allegiant Air	1,319	70.7%	N/A
United Airlines	1,020	78.5%	N/A
Horizon Air	962	81.9%	N/A
Delta Air Lines	84	97.6%	N/A
Endeavor Air	5	80.0%	N/A

Most Delayed Routes

Destination	On-Time
GTF → AZAPhoenix, AZ	70.3%
GTF → LASLas Vegas, NV	71.2%
GTF → DENDenver, CO	81.7%
GTF → SEASeattle, WA	82.4%
GTF → ORDChicago, IL	90.7%

Most Punctual Routes

Destination	On-Time
GTF → SLCSalt Lake City, UT	91.9%
GTF → MSPMinneapolis, MN	91.7%
GTF → ORDChicago, IL	90.7%
GTF → SEASeattle, WA	82.4%
GTF → DENDenver, CO	81.7%

Was your flight from Great Falls, MT delayed?

You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019 through November 2025 and are not real-time. See our data methodology for details.