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

Idaho Falls, ID (IDA) to Seattle, WA (SEA) flight delay odds

82.9% of 304 official scheduled IDA-to-SEA flights arrived on time; 7.2% 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
82.9%arrived on time
7.2%30+ min late
0.3%cancelled
304scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late2.6%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+1.0 mincompleted flights

Which departure time was most reliable for IDA to SEA?

Among qualifying IDA-to-SEA departure window results, Afternoon had the highest on-time rate: 85.7% of 126 flights. Early morning was lowest at 84.5% across 148 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning14884.5%5.4%0.7%
Afternoon12685.7%6.3%0.0%

Which weekday was most reliable for IDA to SEA?

Among qualifying IDA-to-SEA weekday results, Sunday had the highest on-time rate: 90.7% of 43 flights. Thursday was lowest at 76.2% across 42 flights.

DayFlightsOn time30+ minCancelled
Monday4687.0%4.3%0.0%
Tuesday4486.4%9.1%0.0%
Wednesday4182.9%12.2%0.0%
Thursday4276.2%11.9%0.0%
Friday4479.5%2.3%0.0%
Saturday4477.3%6.8%2.3%
Sunday4390.7%4.7%0.0%

Which airline was most reliable for IDA to SEA?

Only SkyWest Airlines met the IDA-to-SEA airline threshold: 82.9% of 304 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines30482.9%7.2%0.3%

Which month was most reliable for IDA to SEA?

Among qualifying IDA-to-SEA month results, June 2026 had the highest on-time rate: 90.0% of 60 flights. March 2026 was lowest at 71.4% across 28 flights.

MonthFlightsOn time30+ minCancelled
November 20255882.8%5.2%0.0%
December 20255574.5%14.5%0.0%
March 20262871.4%10.7%3.6%
April 20264283.3%2.4%0.0%
May 20263886.8%5.3%0.0%
June 20266090.0%6.7%0.0%

What drove IDA to SEA delay minutes?

Airline was the largest recorded IDA-to-SEA delay category, accounting for 56.9% of 2,355 BTS-attributed delay minutes during July 2025–June 2026.

Airline56.9%
Late aircraft27.2%
National airspace10.6%
Weather5.3%
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.