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

Salt Lake City, UT (SLC) to Sun Valley/Hailey/Ketchum, ID (SUN) flight delay odds

92.6% of 1,078 official scheduled SLC-to-SUN flights arrived on time; 3.3% 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
92.6%arrived on time
3.3%30+ min late
0.7%cancelled
1,078scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late1.7%all scheduled flights
120+ minutes late0.6%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival-8.8 mincompleted flights

Which departure time was most reliable for SLC to SUN?

Among qualifying SLC-to-SUN departure window results, Night had the highest on-time rate: 100.0% of 40 flights. Afternoon was lowest at 91.0% across 355 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning36191.1%4.4%0.6%
Afternoon35591.0%4.8%0.8%
Evening32295.0%0.9%0.9%
Night40100.0%0.0%0.0%

Which weekday was most reliable for SLC to SUN?

Among qualifying SLC-to-SUN weekday results, Tuesday had the highest on-time rate: 96.2% of 156 flights. Saturday was lowest at 89.7% across 155 flights.

DayFlightsOn time30+ minCancelled
Monday15694.9%4.5%0.6%
Tuesday15696.2%1.9%0.6%
Wednesday15191.4%3.3%2.0%
Thursday15091.3%2.7%0.0%
Friday15494.8%3.2%0.6%
Saturday15589.7%3.2%0.0%
Sunday15689.7%4.5%1.3%

Which airline was most reliable for SLC to SUN?

Only SkyWest Airlines met the SLC-to-SUN airline threshold: 92.6% of 1,078 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,07892.6%3.3%0.7%

Which month was most reliable for SLC to SUN?

Among qualifying SLC-to-SUN month results, September 2025 had the highest on-time rate: 97.8% of 90 flights. April 2026 was lowest at 84.4% across 90 flights.

MonthFlightsOn time30+ minCancelled
July 20259395.7%1.1%0.0%
August 20259393.5%3.2%0.0%
September 20259097.8%1.1%0.0%
October 20259294.6%4.3%0.0%
November 20258694.2%1.2%1.2%
December 20259092.2%2.2%3.3%
January 20269288.0%5.4%2.2%
February 20268486.9%4.8%1.2%
March 20269393.5%3.2%0.0%
April 20269084.4%6.7%1.1%
May 20268596.5%2.4%0.0%
June 20269093.3%4.4%0.0%

What drove SLC to SUN delay minutes?

Airline was the largest recorded SLC-to-SUN delay category, accounting for 71.8% of 3,329 BTS-attributed delay minutes during July 2025–June 2026.

Airline71.8%
Late aircraft0.0%
National airspace7.1%
Weather21.1%
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.