ORIGIN AIRPORT REPORT
BOI
Boise, ID (BOI) departure reliability
Of 23,767 scheduled reportable flights departing BOI, 83.2% arrived on time, 9.8% arrived at least 30 minutes late, and 0.6% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALLower disruption
83.2%arrived on time
9.8%30+ min late
0.6%cancelled
23,767scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from BOI had the largest sample?
BOI to SEA was BOI's largest published route sample, with 3,820 scheduled flights and a 85.3% on-time rate during July 2025–June 2026.
BOI→SEABoise, ID (BOI) to Seattle, WA (SEA)3,820 flights analyzedLower disruption85.3%on timeBOI→DENBoise, ID (BOI) to Denver, CO (DEN)3,035 flights analyzedLower disruption80.5%on timeBOI→PHXBoise, ID (BOI) to Phoenix, AZ (PHX)1,985 flights analyzedLower disruption83.3%on timeBOI→SLCBoise, ID (BOI) to Salt Lake City, UT (SLC)1,740 flights analyzedLower disruption90.9%on timeBOI→SFOBoise, ID (BOI) to San Francisco, CA (SFO)1,684 flights analyzedGenerally reliable70.5%on timeBOI→LASBoise, ID (BOI) to Las Vegas, NV (LAS)1,401 flights analyzedLower disruption81.0%on timeBOI→LAXBoise, ID (BOI) to Los Angeles, CA (LAX)1,372 flights analyzedLower disruption93.4%on timeBOI→PDXBoise, ID (BOI) to Portland, OR (PDX)1,115 flights analyzedLower disruption91.4%on timeBOI→ORDBoise, ID (BOI) to Chicago, IL (ORD)1,111 flights analyzedGenerally reliable74.1%on timeBOI→SANBoise, ID (BOI) to San Diego, CA (SAN)1,039 flights analyzedLower disruption81.3%on timeBOI→SMFBoise, ID (BOI) to Sacramento, CA (SMF)855 flights analyzedLower disruption83.7%on timeBOI→DFWBoise, ID (BOI) to Dallas/Fort Worth, TX (DFW)803 flights analyzedVariable77.8%on timeBOI→MSPBoise, ID (BOI) to Minneapolis, MN (MSP)786 flights analyzedLower disruption87.2%on timeBOI→SJCBoise, ID (BOI) to San Jose, CA (SJC)658 flights analyzedLower disruption83.9%on timeBOI→OAKBoise, ID (BOI) to Oakland, CA (OAK)577 flights analyzedLower disruption84.9%on time
Which airline was most reliable departing BOI?
Among qualifying BOI airline departure results, Alaska Airlines had the highest on-time rate: 87.1% of 2,100 flights. Spirit Airlines was lowest at 66.0% across 47 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 10,632 | 85.2% | 9.0% | 0.4% |
| Southwest Airlines | 5,304 | 80.9% | 10.6% | 0.2% |
| Delta Air Lines | 2,554 | 86.9% | 7.1% | 1.2% |
| Alaska Airlines | 2,100 | 87.1% | 5.9% | 0.7% |
| United Airlines | 1,423 | 77.5% | 14.7% | 0.6% |
| American Airlines | 1,027 | 74.8% | 13.9% | 2.5% |
| Envoy Air | 303 | 68.3% | 22.8% | 0.0% |
| Allegiant Air | 251 | 70.5% | 19.5% | 0.8% |
| Frontier Airlines | 126 | 80.2% | 12.7% | 0.0% |
| Spirit Airlines | 47 | 66.0% | 27.7% | 0.0% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.