BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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GRR→DEN

United Airlines Grand Rapids, MI (GRR) to Denver, CO (DEN) reliability

Among 728 scheduled United Airlines flights from GRR to DEN, 78.8% arrived on time, 12.2% arrived at least 30 minutes late, and 0.5% 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
78.8%arrived on time
12.2%30+ min late
0.5%cancelled
728scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late12.2%
60+ minutes late5.4%
Cancelled0.5%
Average arrival+7.7 mincompleted flights

What did United Airlines GRR to DEN record?

United Airlines completed 98.9% of its scheduled reportable GRR to DEN flights in the observation window. 78.8% of all scheduled flights arrived less than 15 minutes late, while 5.4% arrived at least an hour late.

What were United Airlines GRR to DEN disruption rates?

For United Airlines GRR-to-DEN flights, 12.2% arrived at least 30 minutes late, 0.5% were cancelled, and 0.5% were diverted.

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What was the United Airlines GRR to DEN scheduled cohort?

The United Airlines GRR-to-DEN cohort contained 728 scheduled flights; 720 completed, 4 were cancelled, and 4 were diverted.

Not a prediction.

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