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

St. George, UT (SGU) to Denver, CO (DEN) flight delay odds

78.5% of 1,086 official scheduled SGU-to-DEN flights arrived on time; 15.1% arrived at least 30 minutes late and 0.0% 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 SIGNALGenerally reliable
78.5%arrived on time
15.1%30+ min late
0.0%cancelled
1,086scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.3%all scheduled flights
120+ minutes late5.1%all scheduled flights
Diverted1.4%did not reach as scheduled
Average arrival+11.8 mincompleted flights

Which departure time was most reliable for SGU to DEN?

Among qualifying SGU-to-DEN departure window results, Early morning had the highest on-time rate: 89.5% of 363 flights. Afternoon was lowest at 70.8% across 353 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36389.5%7.2%0.0%
Afternoon35370.8%20.7%0.0%
Evening33175.2%17.8%0.0%

Which weekday was most reliable for SGU to DEN?

Among qualifying SGU-to-DEN weekday results, Saturday had the highest on-time rate: 82.7% of 156 flights. Tuesday was lowest at 72.8% across 158 flights.

DayFlightsOn time30+ minCancelled
Monday15676.3%19.9%0.0%
Tuesday15872.8%18.4%0.0%
Wednesday15382.4%11.8%0.0%
Thursday15277.0%17.1%0.0%
Friday15579.4%14.8%0.0%
Saturday15682.7%9.6%0.0%
Sunday15679.5%14.1%0.0%

Which airline was most reliable for SGU to DEN?

Only SkyWest Airlines met the SGU-to-DEN airline threshold: 78.5% of 1,086 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,08678.5%15.1%0.0%

Which month was most reliable for SGU to DEN?

Among qualifying SGU-to-DEN month results, November 2025 had the highest on-time rate: 92.0% of 88 flights. May 2026 was lowest at 64.5% across 93 flights.

MonthFlightsOn time30+ minCancelled
July 20259269.6%23.9%0.0%
August 20259269.6%19.6%0.0%
September 20259081.1%10.0%0.0%
October 20259380.6%15.1%0.0%
November 20258892.0%4.5%0.0%
December 20259088.9%11.1%0.0%
January 20269278.3%18.5%0.0%
February 20268380.7%13.3%0.0%
March 20269384.9%10.8%0.0%
April 20269082.2%14.4%0.0%
May 20269364.5%22.6%0.0%
June 20269071.1%16.7%0.0%

What drove SGU to DEN delay minutes?

Airline was the largest recorded SGU-to-DEN delay category, accounting for 42.6% of 23,234 BTS-attributed delay minutes during July 2025–June 2026.

Airline42.6%
Late aircraft34.5%
National airspace18.4%
Weather4.5%
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.