BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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IAD→SAN

United Airlines Washington, DC (IAD) to San Diego, CA (SAN) reliability

Among 1,040 scheduled United Airlines flights from IAD to SAN, 86.2% arrived on time, 7.6% arrived at least 30 minutes late, and 0.4% 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 SIGNALLower disruption
86.2%arrived on time
7.6%30+ min late
0.4%cancelled
1,040scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late7.6%
60+ minutes late4.6%
Cancelled0.4%
Average arrival-4.3 mincompleted flights

What did United Airlines IAD to SAN record?

United Airlines completed 99.0% of its scheduled reportable IAD to SAN flights in the observation window. 86.2% of all scheduled flights arrived less than 15 minutes late, while 4.6% arrived at least an hour late.

What were United Airlines IAD to SAN disruption rates?

For United Airlines IAD-to-SAN flights, 7.6% arrived at least 30 minutes late, 0.4% were cancelled, and 0.6% were diverted.

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What was the United Airlines IAD to SAN scheduled cohort?

The United Airlines IAD-to-SAN cohort contained 1,040 scheduled flights; 1,030 completed, 4 were cancelled, and 6 were diverted.

Not a prediction.

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