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

Idaho Falls, ID (IDA) to Salt Lake City, UT (SLC) flight delay odds

91.3% of 1,189 official scheduled IDA-to-SLC flights arrived on time; 4.9% 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
91.3%arrived on time
4.9%30+ min late
0.3%cancelled
1,189scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.8%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-1.2 mincompleted flights

Which departure time was most reliable for IDA to SLC?

Among qualifying IDA-to-SLC departure window results, Late morning had the highest on-time rate: 98.3% of 119 flights. Early morning was lowest at 89.0% across 365 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36589.0%5.8%0.8%
Late morning11998.3%0.8%0.0%
Afternoon36593.2%4.7%0.0%
Evening34089.4%5.6%0.3%

Which weekday was most reliable for IDA to SLC?

Among qualifying IDA-to-SLC weekday results, Friday had the highest on-time rate: 94.2% of 172 flights. Sunday was lowest at 88.8% across 170 flights.

DayFlightsOn time30+ minCancelled
Monday17390.2%2.3%1.2%
Tuesday17493.7%4.0%0.0%
Wednesday16889.9%7.1%0.0%
Thursday17090.6%4.1%0.6%
Friday17294.2%4.1%0.0%
Saturday16292.0%5.6%0.0%
Sunday17088.8%7.1%0.6%

Which airline was most reliable for IDA to SLC?

Among qualifying IDA-to-SLC airline results, SkyWest Airlines had the highest on-time rate: 92.8% of 872 flights. Delta Air Lines was lowest at 87.4% across 317 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines87292.8%4.2%0.1%
Delta Air Lines31787.4%6.6%0.9%

Which month was most reliable for IDA to SLC?

Among qualifying IDA-to-SLC month results, November 2025 had the highest on-time rate: 97.7% of 88 flights. December 2025 was lowest at 85.6% across 90 flights.

MonthFlightsOn time30+ minCancelled
July 202511988.2%5.0%0.0%
August 202512295.9%2.5%0.0%
September 20259795.9%2.1%0.0%
October 20259289.1%1.1%0.0%
November 20258897.7%0.0%2.3%
December 20259085.6%12.2%1.1%
January 20268388.0%7.2%0.0%
February 20267885.9%11.5%1.3%
March 20269290.2%5.4%0.0%
April 20269095.6%3.3%0.0%
May 202611886.4%7.6%0.0%
June 202612095.8%2.5%0.0%

What drove IDA to SLC delay minutes?

Airline was the largest recorded IDA-to-SLC delay category, accounting for 76.3% of 10,446 BTS-attributed delay minutes during July 2025–June 2026.

Airline76.3%
Late aircraft2.6%
National airspace5.8%
Weather15.4%
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.