PlainFlights

Route · SLC → GTF · 2020–2025 BTS data

Salt Lake City to Great Falls

The SLC–GTF corridor (Salt Lake City, UT → Great Falls, MT) runs ahead of the national average, served by 1 carrier across roughly 463 miles.

Data updated 2026-06-13

92.6%
On-time
+13.6 pts
vs US avg
70 min
Delay when late
5,872
Flights

Cancelled

0.2%

Best Month

Oct 2025 99%

Worst Month

Jan 2024 82%

Distance

463 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 90 7 1 0 OO
Nov 2025 87 5 4 0 OO
Oct 2025 92 1 0 0 OO
Sep 2025 90 6 0 0 OO
Aug 2025 91 7 0 1 OO
Jul 2025 92 7 0 0 OO
Jun 2025 90 2 0 0 OO
May 2025 93 6 0 0 OO
Apr 2025 88 8 0 0 OO
Mar 2025 88 2 0 0 OO
Feb 2025 78 5 0 0 OO
Jan 2025 84 6 0 0 OO
Dec 2024 88 10 0 0 OO
Nov 2024 83 7 0 0 OO
Oct 2024 84 1 0 0 OO
Sep 2024 81 3 0 0 OO
Aug 2024 88 5 0 0 OO
Jul 2024 88 4 0 0 OO
Jun 2024 88 6 0 0 OO
May 2024 88 11 0 0 OO
Apr 2024 86 5 0 0 OO
Mar 2024 88 5 0 1 OO
Feb 2024 78 7 0 1 OO
Jan 2024 83 15 0 0 OO

Cancellation Rate

0.2%

5 of 2,086 flights

Diversion Rate

0.1%

3 of 2,086 flights

What the Data Says About SLC to GTF

Salt Lake City to Great Falls (SLC to GTF) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 92.6% on-time rate across 5,872 flights, with delays that do happen averaging 70.1 minutes. The corridor runs roughly 463 miles and is served by 1 carrier. Over the most recent 24 months, 5 of 2,086 flights were cancelled (0.2%) and 3 diverted (0.1%).

The monthly split is wide on this route: Oct 2025 posted the strongest performance at 99% on-time, while Jan 2024 came in at just 82% - a 17-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from SLC to GTF?
Flights from Salt Lake City to Great Falls have a 92.6% on-time rate based on 5,872 flights. The average delay is 70.1 minutes. The best recent month was Oct 2025 with 99% on-time.
What is the cancellation rate for SLC to GTF?
Over the last 24 months, 0.2% of flights on this route were cancelled (5 of 2,086 flights) and 0.1% were diverted.
How far is the flight from SLC to GTF?
The flight distance from Salt Lake City (SLC) to Great Falls (GTF) is approximately 463 miles. This route is served by 1 carrier.
When is the best time to fly from SLC to GTF?
The best recent month for on-time performance was Oct 2025 (99% on-time). The worst was Jan 2024 (82% on-time). Consider booking during months with historically better performance.

Explore PlainFlights

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.