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

United Airlines Houston, TX (IAH) to Washington, DC (DCA) reliability

Among 2,413 scheduled United Airlines flights from IAH to DCA, 74.2% arrived on time, 17.8% arrived at least 30 minutes late, and 0.8% 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
74.2%arrived on time
17.8%30+ min late
0.8%cancelled
2,413scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late17.8%
60+ minutes late9.3%
Cancelled0.8%
Average arrival+9.9 mincompleted flights

What did United Airlines IAH to DCA record?

United Airlines completed 98.8% of its scheduled reportable IAH to DCA flights in the observation window. 74.2% of all scheduled flights arrived less than 15 minutes late, while 9.3% arrived at least an hour late.

What were United Airlines IAH to DCA disruption rates?

For United Airlines IAH-to-DCA flights, 17.8% arrived at least 30 minutes late, 0.8% were cancelled, and 0.5% were diverted.

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What was the United Airlines IAH to DCA scheduled cohort?

The United Airlines IAH-to-DCA cohort contained 2,413 scheduled flights; 2,383 completed, 19 were cancelled, and 11 were diverted.

Not a prediction.

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