BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
ONT→PDX

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

Among 402 scheduled Alaska Airlines flights from ONT to PDX, 90.8% arrived on time, 6.0% arrived at least 30 minutes late, and 0.7% 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
90.8%arrived on time
6.0%30+ min late
0.7%cancelled
402scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late6.0%
60+ minutes late3.5%
Cancelled0.7%
Average arrival-6.8 mincompleted flights

What did Alaska Airlines ONT to PDX record?

Alaska Airlines completed 99.3% of its scheduled reportable ONT to PDX flights in the observation window. 90.8% of all scheduled flights arrived less than 15 minutes late, while 3.5% arrived at least an hour late.

What were Alaska Airlines ONT to PDX disruption rates?

For Alaska Airlines ONT-to-PDX flights, 6.0% arrived at least 30 minutes late, 0.7% were cancelled, and 0.0% were diverted.

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What was the Alaska Airlines ONT to PDX scheduled cohort?

The Alaska Airlines ONT-to-PDX cohort contained 402 scheduled flights; 399 completed, 3 were cancelled, and 0 were diverted.

Not a prediction.

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