Southwest Airlines departures from Boise, ID (BOI)

Among 5,304 scheduled Southwest Airlines flights departing BOI, 80.9% arrived on time, 10.6% arrived at least 30 minutes late, and 0.2% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Origin and marketing-carrier cohort · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption

80.9%arrived on time

10.6%30+ min late

0.2%cancelled

5,304scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late10.6%

60+ minutes late4.7%

Cancelled0.2%

Diverted0.2%

What does the Southwest Airlines BOI sample show?

Southwest Airlines completed 99.5% of its scheduled departures from BOI; 4.7% arrived at least one hour late and 0.2% were diverted.

What were Southwest Airlines at BOI disruption rates?

For Southwest Airlines departures from BOI, 10.6% arrived at least 30 minutes late, 0.2% were cancelled, and 0.2% were diverted.

Compare all airlines at BOI

How large was the Southwest Airlines cohort at BOI?

The Southwest Airlines cohort at BOI contained 5,304 scheduled flights, including 5,280 completed flights, 11 cancellations, and 13 diversions.