BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
GTF→SLC

Great Falls, MT (GTF) to Salt Lake City, UT (SLC) flight delay odds

91.6% of 1,071 official scheduled GTF-to-SLC flights arrived on time; 4.6% arrived at least 30 minutes late and 0.7% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
91.6%arrived on time
4.6%30+ min late
0.7%cancelled
1,071scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late2.2%all scheduled flights
120+ minutes late1.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-7.2 mincompleted flights

Which departure time was most reliable for GTF to SLC?

Among qualifying GTF-to-SLC departure window results, Early morning had the highest on-time rate: 95.9% of 365 flights. Evening was lowest at 87.4% across 342 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36595.9%1.9%0.3%
Late morning7293.1%4.2%0.0%
Afternoon29290.8%4.5%1.7%
Evening34287.4%7.6%0.6%

Which weekday was most reliable for GTF to SLC?

Among qualifying GTF-to-SLC weekday results, Tuesday had the highest on-time rate: 97.5% of 159 flights. Sunday was lowest at 88.2% across 152 flights.

DayFlightsOn time30+ minCancelled
Monday15590.3%4.5%0.0%
Tuesday15997.5%1.9%0.0%
Wednesday15494.2%4.5%1.3%
Thursday15290.8%6.6%0.7%
Friday15489.6%5.8%0.6%
Saturday14590.3%4.8%2.1%
Sunday15288.2%3.9%0.7%

Which airline was most reliable for GTF to SLC?

Only SkyWest Airlines met the GTF-to-SLC airline threshold: 91.6% of 1,071 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,07191.6%4.6%0.7%

Which month was most reliable for GTF to SLC?

Among qualifying GTF-to-SLC month results, June 2026 had the highest on-time rate: 98.9% of 90 flights. March 2026 was lowest at 79.3% across 92 flights.

MonthFlightsOn time30+ minCancelled
July 20259293.5%4.3%0.0%
August 20259191.2%3.3%0.0%
September 20259096.7%2.2%0.0%
October 20259295.7%1.1%0.0%
November 20258787.4%4.6%4.6%
December 20259091.1%5.6%1.1%
January 20268693.0%2.3%0.0%
February 20267891.0%7.7%0.0%
March 20269279.3%10.9%3.3%
April 20269091.1%5.6%0.0%
May 20269390.3%6.5%0.0%
June 20269098.9%1.1%0.0%

What drove GTF to SLC delay minutes?

Airline was the largest recorded GTF-to-SLC delay category, accounting for 56.4% of 6,363 BTS-attributed delay minutes during July 2025–June 2026.

Airline56.4%
Late aircraft0.0%
National airspace4.8%
Weather38.8%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.