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

Southwest Airlines Islip, NY (ISP) to West Palm Beach/Palm Beach, FL (PBI) reliability

Among 611 scheduled Southwest Airlines flights from ISP to PBI, 69.9% arrived on time, 16.4% arrived at least 30 minutes late, and 1.6% were cancelled during July 2025–June 2026.

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

HISTORICAL ROUTE SIGNALVariable
69.9%arrived on time
16.4%30+ min late
1.6%cancelled
611scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late16.4%
60+ minutes late5.7%
Cancelled1.6%
Average arrival+10.5 mincompleted flights

What did Southwest Airlines ISP to PBI record?

Southwest Airlines completed 97.9% of its scheduled reportable ISP to PBI flights in the observation window. 69.9% of all scheduled flights arrived less than 15 minutes late, while 5.7% arrived at least an hour late.

What were Southwest Airlines ISP to PBI disruption rates?

For Southwest Airlines ISP-to-PBI flights, 16.4% arrived at least 30 minutes late, 1.6% were cancelled, and 0.5% were diverted.

Compare all airlines on this route

What was the Southwest Airlines ISP to PBI scheduled cohort?

The Southwest Airlines ISP-to-PBI cohort contained 611 scheduled flights; 598 completed, 10 were cancelled, and 3 were diverted.

Not a prediction.

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