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

Chicago, IL (ORD) to Sun Valley/Hailey/Ketchum, ID (SUN) flight delay odds

56.4% of 264 official scheduled ORD-to-SUN flights arrived on time; 28.8% arrived at least 30 minutes late and 1.5% 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 SIGNALHigher disruption
56.4%arrived on time
28.8%30+ min late
1.5%cancelled
264scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late15.9%all scheduled flights
120+ minutes late7.2%all scheduled flights
Diverted3.0%did not reach as scheduled
Average arrival+25.6 mincompleted flights

Which departure time was most reliable for ORD to SUN?

Among qualifying ORD-to-SUN departure window results, Early morning had the highest on-time rate: 63.7% of 91 flights. Late morning was lowest at 48.0% across 127 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning9163.7%23.1%0.0%
Late morning12748.0%34.6%2.4%

Which weekday was most reliable for ORD to SUN?

Among qualifying ORD-to-SUN weekday results, Tuesday had the highest on-time rate: 72.5% of 40 flights. Friday was lowest at 45.8% across 48 flights.

DayFlightsOn time30+ minCancelled
Monday3253.1%28.1%0.0%
Tuesday4072.5%17.5%2.5%
Wednesday3060.0%30.0%3.3%
Thursday3366.7%12.1%0.0%
Friday4845.8%41.7%0.0%
Saturday4850.0%35.4%2.1%
Sunday3351.5%30.3%3.0%

Which airline was most reliable for ORD to SUN?

Only SkyWest Airlines met the ORD-to-SUN airline threshold: 56.4% of 264 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines26456.4%28.8%1.5%

Which month was most reliable for ORD to SUN?

Among qualifying ORD-to-SUN month results, January 2026 had the highest on-time rate: 61.3% of 62 flights. December 2025 was lowest at 25.0% across 28 flights.

MonthFlightsOn time30+ minCancelled
December 20252825.0%53.6%0.0%
January 20266261.3%27.4%1.6%
February 20265660.7%23.2%0.0%
March 20266256.5%27.4%3.2%

What drove ORD to SUN delay minutes?

Airline was the largest recorded ORD-to-SUN delay category, accounting for 37.2% of 7,929 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.2%
Late aircraft13.9%
National airspace22.2%
Weather26.7%
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.