BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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ATL→IAH

United Airlines Atlanta, GA (ATL) to Houston, TX (IAH) reliability

Among 1,255 scheduled United Airlines flights from ATL to IAH, 84.1% arrived on time, 9.9% 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 SIGNALLower disruption
84.1%arrived on time
9.9%30+ min late
1.1%cancelled
1,255scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late9.9%
60+ minutes late6.1%
Cancelled1.1%
Average arrival+0.5 mincompleted flights

What did United Airlines ATL to IAH record?

United Airlines completed 98.8% of its scheduled reportable ATL to IAH flights in the observation window. 84.1% of all scheduled flights arrived less than 15 minutes late, while 6.1% arrived at least an hour late.

What were United Airlines ATL to IAH disruption rates?

For United Airlines ATL-to-IAH flights, 9.9% arrived at least 30 minutes late, 1.1% were cancelled, and 0.1% were diverted.

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What was the United Airlines ATL to IAH scheduled cohort?

The United Airlines ATL-to-IAH cohort contained 1,255 scheduled flights; 1,240 completed, 14 were cancelled, and 1 were diverted.

Not a prediction.

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