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

United Airlines Washington, DC (IAD) to Portland, OR (PDX) reliability

Among 291 scheduled United Airlines flights from IAD to PDX, 73.2% arrived on time, 18.9% arrived at least 30 minutes late, and 0.3% were cancelled during July 2025–June 2026.

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

HISTORICAL ROUTE SIGNALGenerally reliable
73.2%arrived on time
18.9%30+ min late
0.3%cancelled
291scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late18.9%
60+ minutes late12.0%
Cancelled0.3%
Average arrival+11.2 mincompleted flights

What did United Airlines IAD to PDX record?

United Airlines completed 99.7% of its scheduled reportable IAD to PDX flights in the observation window. 73.2% of all scheduled flights arrived less than 15 minutes late, while 12.0% arrived at least an hour late.

What were United Airlines IAD to PDX disruption rates?

For United Airlines IAD-to-PDX flights, 18.9% arrived at least 30 minutes late, 0.3% were cancelled, and 0.0% were diverted.

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What was the United Airlines IAD to PDX scheduled cohort?

The United Airlines IAD-to-PDX cohort contained 291 scheduled flights; 290 completed, 1 were cancelled, and 0 were diverted.

Not a prediction.

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