Frontier Airlines departures from Islip, NY (ISP)

Among 873 scheduled Frontier Airlines flights departing ISP, 70.4% arrived on time, 19.4% arrived at least 30 minutes late, and 3.0% 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 SIGNALVariable

70.4%arrived on time

19.4%30+ min late

3.0%cancelled

873scheduled flights

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

30+ minutes late19.4%

60+ minutes late11.7%

Cancelled3.0%

Diverted0.5%

What does the Frontier Airlines ISP sample show?

Frontier Airlines completed 96.6% of its scheduled departures from ISP; 11.7% arrived at least one hour late and 0.5% were diverted.

What were Frontier Airlines at ISP disruption rates?

For Frontier Airlines departures from ISP, 19.4% arrived at least 30 minutes late, 3.0% were cancelled, and 0.5% were diverted.

Compare all airlines at ISP

How large was the Frontier Airlines cohort at ISP?

The Frontier Airlines cohort at ISP contained 873 scheduled flights, including 843 completed flights, 26 cancellations, and 4 diversions.