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

San Francisco, CA (SFO) to Sun Valley/Hailey/Ketchum, ID (SUN) flight delay odds

83.6% of 292 official scheduled SFO-to-SUN flights arrived on time; 11.0% arrived at least 30 minutes late and 0.3% 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
83.6%arrived on time
11.0%30+ min late
0.3%cancelled
292scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+4.1 mincompleted flights

Which departure time was most reliable for SFO to SUN?

Among qualifying SFO-to-SUN departure window results, Evening had the highest on-time rate: 83.4% of 169 flights. Late morning was lowest at 83.3% across 108 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning10883.3%12.0%0.0%
Evening16983.4%10.7%0.6%

Which weekday was most reliable for SFO to SUN?

Among qualifying SFO-to-SUN weekday results, Saturday had the highest on-time rate: 91.8% of 61 flights. Sunday was lowest at 78.4% across 37 flights.

DayFlightsOn time30+ minCancelled
Monday3384.8%9.1%0.0%
Tuesday3287.5%12.5%0.0%
Wednesday3080.0%10.0%0.0%
Thursday4379.1%9.3%0.0%
Friday5680.4%16.1%0.0%
Saturday6191.8%6.6%0.0%
Sunday3778.4%13.5%2.7%

Which airline was most reliable for SFO to SUN?

Only SkyWest Airlines met the SFO-to-SUN airline threshold: 83.6% of 292 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines29283.6%11.0%0.3%

Which month was most reliable for SFO to SUN?

Among qualifying SFO-to-SUN month results, March 2026 had the highest on-time rate: 97.4% of 39 flights. December 2025 was lowest at 63.6% across 33 flights.

MonthFlightsOn time30+ minCancelled
July 20253482.4%14.7%0.0%
August 20253497.1%0.0%0.0%
December 20253363.6%21.2%3.0%
January 20264383.7%11.6%0.0%
February 20263778.4%21.6%0.0%
March 20263997.4%2.6%0.0%
June 20263177.4%6.5%0.0%

What drove SFO to SUN delay minutes?

Airline was the largest recorded SFO-to-SUN delay category, accounting for 49.3% of 3,581 BTS-attributed delay minutes during July 2025–June 2026.

Airline49.3%
Late aircraft29.7%
National airspace18.1%
Weather2.8%
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.