BOI to GEG flight delays & on-time performance
Nonstop flights from Boise Air Terminal/Gowen Field to Spokane International Airport · 287 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BOI or GEG right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Boise (BOI) to Spokane (GEG) arrived on time 91% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.3% were cancelled, and 4% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (100% on time); around 2pm did worst (88%).
- Tuesday was the most reliable day to fly (95% on time) and Sunday the least (88%).
- The largest source of delay minutes was late-arriving aircraft (77%).
Which airline is most on time from BOI to GEG?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 91% | 0.3% | 7 min | 3.7% | 296 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am100%51 flights
- 1pm91%98 flights
- 2pm88%147 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday90%0.0% cancelled
- Tuesday95%0.0% cancelled
- Wednesday92%2.5% cancelled
- Thursday92%0.0% cancelled
- Friday90%0.0% cancelled
- Saturday90%0.0% cancelled
- Sunday88%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft77%
- Air traffic control & airport congestion8%
- Airline (crew, maintenance, cleaning, fueling)7%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
BOI to GEG: common questions
- How often are BOI to GEG flights on time?
- 91% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Boise to Spokane cancelled?
- 0.3% of scheduled flights were cancelled (1 of 296).
- How long are typical delays?
- Across all flights the average arrival delay was 7 min (early arrivals count as zero). Flights that were late arrived 70 min behind schedule on average, and 3.7% of flights were an hour or more late.
- How long is taxi time at BOI?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GEG to BOI — 90% on time
More flights from Boise
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BOI → GEG, nonstop flights by US airlines that report to the DOT. How we calculate this.