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

Boise, ID (BOI) to Spokane, WA (GEG) flight delay odds

88.9% of 296 official scheduled BOI-to-GEG flights arrived on time; 6.8% 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
88.9%arrived on time
6.8%30+ min late
0.3%cancelled
296scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.1%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+1.0 mincompleted flights

Which departure time was most reliable for BOI to GEG?

Only Afternoon met the BOI-to-GEG departure window threshold: 88.0% of 276 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Afternoon27688.0%7.2%0.4%

Which weekday was most reliable for BOI to GEG?

Among qualifying BOI-to-GEG weekday results, Monday had the highest on-time rate: 90.5% of 42 flights. Thursday was lowest at 87.5% across 40 flights.

DayFlightsOn time30+ minCancelled
Monday4290.5%7.1%0.0%
Tuesday4388.4%9.3%0.0%
Wednesday4087.5%7.5%2.5%
Thursday4087.5%5.0%0.0%
Friday4190.2%2.4%0.0%
Saturday4889.6%6.2%0.0%
Sunday4288.1%9.5%0.0%

Which airline was most reliable for BOI to GEG?

Only SkyWest Airlines met the BOI-to-GEG airline threshold: 88.9% of 296 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines29688.9%6.8%0.3%

Which month was most reliable for BOI to GEG?

Among qualifying BOI-to-GEG month results, June 2026 had the highest on-time rate: 100.0% of 20 flights. January 2026 was lowest at 77.4% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253183.9%12.9%0.0%
August 20252185.7%14.3%0.0%
October 20252889.3%3.6%0.0%
November 20252996.6%3.4%0.0%
December 20253196.8%0.0%0.0%
January 20263177.4%9.7%3.2%
February 20262882.1%10.7%0.0%
March 20263190.3%9.7%0.0%
April 20263090.0%3.3%0.0%
June 202620100.0%0.0%0.0%

What drove BOI to GEG delay minutes?

Late aircraft was the largest recorded BOI-to-GEG delay category, accounting for 70.4% of 2,300 BTS-attributed delay minutes during July 2025–June 2026.

Airline16.4%
Late aircraft70.4%
National airspace7.3%
Weather5.8%
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.