AIRPORT × AIRLINE REPORT
ONT
Alaska Airlines departures from Ontario, CA (ONT)
Among 2,035 scheduled Alaska Airlines flights departing ONT, 83.3% arrived on time, 8.6% arrived at least 30 minutes late, and 1.7% 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 SIGNALGenerally reliable
83.3%arrived on time
8.6%30+ min late
1.7%cancelled
2,035scheduled flights
What does the Alaska Airlines ONT sample show?
Alaska Airlines completed 98.3% of its scheduled departures from ONT; 3.8% arrived at least one hour late and 0.0% were diverted.
What were Alaska Airlines at ONT disruption rates?
For Alaska Airlines departures from ONT, 8.6% arrived at least 30 minutes late, 1.7% were cancelled, and 0.0% were diverted.
How large was the Alaska Airlines cohort at ONT?
The Alaska Airlines cohort at ONT contained 2,035 scheduled flights, including 2,001 completed flights, 34 cancellations, and 0 diversions.