Frontier Airlines departures from St. Louis, MO (STL)

Among 1,337 scheduled Frontier Airlines flights departing STL, 71.0% arrived on time, 18.0% arrived at least 30 minutes late, and 2.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Origin and marketing-carrier cohort · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable

71.0%arrived on time

18.0%30+ min late

2.3%cancelled

1,337scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late18.0%

60+ minutes late10.5%

Cancelled2.3%

Diverted0.3%

What does the Frontier Airlines STL sample show?

Frontier Airlines completed 97.4% of its scheduled departures from STL; 10.5% arrived at least one hour late and 0.3% were diverted.

What were Frontier Airlines at STL disruption rates?

For Frontier Airlines departures from STL, 18.0% arrived at least 30 minutes late, 2.3% were cancelled, and 0.3% were diverted.

Compare all airlines at STL

How large was the Frontier Airlines cohort at STL?

The Frontier Airlines cohort at STL contained 1,337 scheduled flights, including 1,302 completed flights, 31 cancellations, and 4 diversions.