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

United Airlines Houston, TX (IAH) to Miami, FL (MIA) reliability

Among 1,479 scheduled United Airlines flights from IAH to MIA, 79.7% arrived on time, 12.2% 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 SIGNALGenerally reliable
79.7%arrived on time
12.2%30+ min late
0.4%cancelled
1,479scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late12.2%
60+ minutes late6.2%
Cancelled0.4%
Average arrival+2.9 mincompleted flights

What did United Airlines IAH to MIA record?

United Airlines completed 99.3% of its scheduled reportable IAH to MIA flights in the observation window. 79.7% of all scheduled flights arrived less than 15 minutes late, while 6.2% arrived at least an hour late.

What were United Airlines IAH to MIA disruption rates?

For United Airlines IAH-to-MIA flights, 12.2% arrived at least 30 minutes late, 0.4% were cancelled, and 0.3% were diverted.

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What was the United Airlines IAH to MIA scheduled cohort?

The United Airlines IAH-to-MIA cohort contained 1,479 scheduled flights; 1,469 completed, 6 were cancelled, and 4 were diverted.

Not a prediction.

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