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

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

80.2% of 631 official scheduled DEN-to-SUN flights arrived on time; 14.4% 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
80.2%arrived on time
14.4%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 late7.3%all scheduled flights
120+ minutes late2.5%all scheduled flights
Diverted1.3%did not reach as scheduled
Average arrival+6.6 mincompleted flights

Which departure time was most reliable for DEN to SUN?

Among qualifying DEN-to-SUN departure window results, Late morning had the highest on-time rate: 86.7% of 362 flights. Evening was lowest at 71.4% across 269 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning36286.7%10.2%0.0%
Evening26971.4%20.1%0.0%

Which weekday was most reliable for DEN to SUN?

Among qualifying DEN-to-SUN weekday results, Tuesday had the highest on-time rate: 86.5% of 89 flights. Monday was lowest at 74.2% across 89 flights.

DayFlightsOn time30+ minCancelled
Monday8974.2%16.9%0.0%
Tuesday8986.5%11.2%0.0%
Wednesday8879.5%12.5%0.0%
Thursday9084.4%11.1%0.0%
Friday9379.6%12.9%0.0%
Saturday9278.3%17.4%0.0%
Sunday9078.9%18.9%0.0%

Which airline was most reliable for DEN to SUN?

Only SkyWest Airlines met the DEN-to-SUN airline threshold: 80.2% of 631 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines63180.2%14.4%0.0%

Which month was most reliable for DEN to SUN?

Among qualifying DEN-to-SUN month results, November 2025 had the highest on-time rate: 96.7% of 30 flights. June 2026 was lowest at 70.0% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20256275.8%14.5%0.0%
August 20256272.6%22.6%0.0%
September 20256086.7%13.3%0.0%
October 20255581.8%10.9%0.0%
November 20253096.7%3.3%0.0%
December 20254973.5%20.4%0.0%
January 20266283.9%9.7%0.0%
February 20265680.4%16.1%0.0%
March 20266283.9%9.7%0.0%
April 20263580.0%14.3%0.0%
May 20263886.8%10.5%0.0%
June 20266070.0%21.7%0.0%

What drove DEN to SUN delay minutes?

Airline was the largest recorded DEN-to-SUN delay category, accounting for 40.7% of 9,302 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.7%
Late aircraft30.8%
National airspace24.4%
Weather4.0%
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.