Frontier Airlines departures from Seattle, WA (SEA)

Among 1,401 scheduled Frontier Airlines flights departing SEA, 71.9% arrived on time, 17.1% 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

71.9%arrived on time

17.1%30+ min late

2.3%cancelled

1,401scheduled flights

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

30+ minutes late17.1%

60+ minutes late9.4%

Cancelled2.3%

Diverted0.0%

What does the Frontier Airlines SEA sample show?

Frontier Airlines completed 97.7% of its scheduled departures from SEA; 9.4% arrived at least one hour late and 0.0% were diverted.

What were Frontier Airlines at SEA disruption rates?

For Frontier Airlines departures from SEA, 17.1% arrived at least 30 minutes late, 2.3% were cancelled, and 0.0% were diverted.

Compare all airlines at SEA

How large was the Frontier Airlines cohort at SEA?

The Frontier Airlines cohort at SEA contained 1,401 scheduled flights, including 1,369 completed flights, 32 cancellations, and 0 diversions.