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

Sun Valley/Hailey/Ketchum, ID (SUN) to Denver, CO (DEN) flight delay odds

84.0% of 631 official scheduled SUN-to-DEN flights arrived on time; 12.2% 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 SIGNALLower disruption
84.0%arrived on time
12.2%30+ min late
0.0%cancelled
631scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.7%all scheduled flights
120+ minutes late5.9%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+5.7 mincompleted flights

Which departure time was most reliable for SUN to DEN?

Among qualifying SUN-to-DEN departure window results, Early morning had the highest on-time rate: 91.7% of 266 flights. Afternoon was lowest at 78.1% across 361 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning26691.7%6.4%0.0%
Afternoon36178.1%16.6%0.0%

Which weekday was most reliable for SUN to DEN?

Among qualifying SUN-to-DEN weekday results, Saturday had the highest on-time rate: 89.2% of 93 flights. Thursday was lowest at 78.2% across 87 flights.

DayFlightsOn time30+ minCancelled
Monday9082.2%12.2%0.0%
Tuesday9083.3%11.1%0.0%
Wednesday8783.9%16.1%0.0%
Thursday8778.2%17.2%0.0%
Friday9284.8%10.9%0.0%
Saturday9389.2%6.5%0.0%
Sunday9285.9%12.0%0.0%

Which airline was most reliable for SUN to DEN?

Only SkyWest Airlines met the SUN-to-DEN airline threshold: 84.0% of 631 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines63184.0%12.2%0.0%

Which month was most reliable for SUN to DEN?

Among qualifying SUN-to-DEN month results, November 2025 had the highest on-time rate: 93.3% of 30 flights. August 2025 was lowest at 72.6% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256274.2%19.4%0.0%
August 20256272.6%21.0%0.0%
September 20256088.3%8.3%0.0%
October 20255685.7%8.9%0.0%
November 20253093.3%6.7%0.0%
December 20254883.3%16.7%0.0%
January 20266291.9%6.5%0.0%
February 20265683.9%14.3%0.0%
March 20266290.3%9.7%0.0%
April 20263688.9%5.6%0.0%
May 20263783.8%10.8%0.0%
June 20266078.3%13.3%0.0%

What drove SUN to DEN delay minutes?

Airline was the largest recorded SUN-to-DEN delay category, accounting for 36.4% of 12,395 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.4%
Late aircraft20.2%
National airspace21.4%
Weather22.0%
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.