BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
AIRLINE × ROUTE REPORT
IAH→BWI

United Airlines Houston, TX (IAH) to Baltimore, MD (BWI) reliability

Among 814 scheduled United Airlines flights from IAH to BWI, 77.3% arrived on time, 14.1% arrived at least 30 minutes late, and 0.6% 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
77.3%arrived on time
14.1%30+ min late
0.6%cancelled
814scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late14.1%
60+ minutes late7.4%
Cancelled0.6%
Average arrival+7.8 mincompleted flights

What did United Airlines IAH to BWI record?

United Airlines completed 99.1% of its scheduled reportable IAH to BWI flights in the observation window. 77.3% of all scheduled flights arrived less than 15 minutes late, while 7.4% arrived at least an hour late.

What were United Airlines IAH to BWI disruption rates?

For United Airlines IAH-to-BWI flights, 14.1% arrived at least 30 minutes late, 0.6% were cancelled, and 0.2% were diverted.

Compare all airlines on this route

What was the United Airlines IAH to BWI scheduled cohort?

The United Airlines IAH-to-BWI cohort contained 814 scheduled flights; 807 completed, 5 were cancelled, and 2 were diverted.

Not a prediction.

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