BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
PDX→ONT

Alaska Airlines Portland, OR (PDX) to Ontario, CA (ONT) reliability

Among 404 scheduled Alaska Airlines flights from PDX to ONT, 84.2% arrived on time, 7.7% arrived at least 30 minutes late, and 0.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Alaska Airlines (AS) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
84.2%arrived on time
7.7%30+ min late
0.5%cancelled
404scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late7.7%
60+ minutes late4.2%
Cancelled0.5%
Average arrival+0.7 mincompleted flights

What did Alaska Airlines PDX to ONT record?

Alaska Airlines completed 99.3% of its scheduled reportable PDX to ONT flights in the observation window. 84.2% of all scheduled flights arrived less than 15 minutes late, while 4.2% arrived at least an hour late.

What were Alaska Airlines PDX to ONT disruption rates?

For Alaska Airlines PDX-to-ONT flights, 7.7% arrived at least 30 minutes late, 0.5% were cancelled, and 0.2% were diverted.

Compare all airlines on this route

What was the Alaska Airlines PDX to ONT scheduled cohort?

The Alaska Airlines PDX-to-ONT cohort contained 404 scheduled flights; 401 completed, 2 were cancelled, and 1 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.