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

United Airlines Denver, CO (DEN) to Buffalo, NY (BUF) reliability

Among 294 scheduled United Airlines flights from DEN to BUF, 70.1% arrived on time, 20.7% arrived at least 30 minutes late, and 0.0% 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
70.1%arrived on time
20.7%30+ min late
0.0%cancelled
294scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late20.7%
60+ minutes late14.3%
Cancelled0.0%
Average arrival+18.2 mincompleted flights

What did United Airlines DEN to BUF record?

United Airlines completed 100.0% of its scheduled reportable DEN to BUF flights in the observation window. 70.1% of all scheduled flights arrived less than 15 minutes late, while 14.3% arrived at least an hour late.

What were United Airlines DEN to BUF disruption rates?

For United Airlines DEN-to-BUF flights, 20.7% arrived at least 30 minutes late, 0.0% were cancelled, and 0.0% were diverted.

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What was the United Airlines DEN to BUF scheduled cohort?

The United Airlines DEN-to-BUF cohort contained 294 scheduled flights; 294 completed, 0 were cancelled, and 0 were diverted.

Not a prediction.

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