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

Frontier Airlines Denver, CO (DEN) to San Antonio, TX (SAT) reliability

Among 372 scheduled Frontier Airlines flights from DEN to SAT, 80.9% arrived on time, 11.8% arrived at least 30 minutes late, and 0.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Frontier Airlines (F9) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
80.9%arrived on time
11.8%30+ min late
0.3%cancelled
372scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.8%
60+ minutes late5.4%
Cancelled0.3%
Average arrival+0.8 mincompleted flights

What did Frontier Airlines DEN to SAT record?

Frontier Airlines completed 99.5% of its scheduled reportable DEN to SAT flights in the observation window. 80.9% of all scheduled flights arrived less than 15 minutes late, while 5.4% arrived at least an hour late.

What were Frontier Airlines DEN to SAT disruption rates?

For Frontier Airlines DEN-to-SAT flights, 11.8% arrived at least 30 minutes late, 0.3% were cancelled, and 0.3% were diverted.

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What was the Frontier Airlines DEN to SAT scheduled cohort?

The Frontier Airlines DEN-to-SAT cohort contained 372 scheduled flights; 370 completed, 1 were cancelled, and 1 were diverted.

Not a prediction.

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