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

United Airlines Washington, DC (IAD) to Sacramento, CA (SMF) reliability

Among 365 scheduled United Airlines flights from IAD to SMF, 77.0% arrived on time, 15.9% arrived at least 30 minutes late, and 1.1% 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
77.0%arrived on time
15.9%30+ min late
1.1%cancelled
365scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late15.9%
60+ minutes late7.7%
Cancelled1.1%
Average arrival+3.9 mincompleted flights

What did United Airlines IAD to SMF record?

United Airlines completed 98.9% of its scheduled reportable IAD to SMF flights in the observation window. 77.0% of all scheduled flights arrived less than 15 minutes late, while 7.7% arrived at least an hour late.

What were United Airlines IAD to SMF disruption rates?

For United Airlines IAD-to-SMF flights, 15.9% arrived at least 30 minutes late, 1.1% were cancelled, and 0.0% were diverted.

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What was the United Airlines IAD to SMF scheduled cohort?

The United Airlines IAD-to-SMF cohort contained 365 scheduled flights; 361 completed, 4 were cancelled, and 0 were diverted.

Not a prediction.

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