Frontier Airlines ISP to PBI on-time performance
Frontier Airlines nonstop flights from Islip to West Palm Beach/Palm Beach · Aug 2025 – Jul 2026
On-time arrivals
70%
arrived < 15 min late
Cancelled
4.3%
3 flights
Avg arrival delay
27 min
86 min when late
Rank on route
#3 of 3
route average 72% on time
Key facts
- Frontier Airlines flights on ISP to PBI arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 4.3% were cancelled, and 14% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)41%
- Late-arriving aircraft31%
- Air traffic control & airport congestion23%
- Extreme weather5%
- Security0%
Other airlines on ISP to PBI
- Southwest Airlines71% on time · 16 min avg delay
- JetBlue74% on time · 26 min avg delay
Full ISP to PBI comparison →
Frontier Airlines on-time record across all routes →
69 Frontier Airlines flights tracked on this route; 3 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.