ISP → PBI: which flight is most reliable?

Updating…Free, supported by affiliate links

77% of ISP → PBI flights arrived on time in June-August 2026 (232 flights). The most reliable was B6 445, on time 92% of the time on this route. Morning flights did best (89%), afternoon flights worst (62%). ISP (ISP): no delay reported. Palm Beach (PBI): no delay reported.

Best time of day to fly ISP → PBI

Morning (before noon)89%
Afternoon (noon-5 PM)62%

Flights ISP → PBI, most reliable first

FlightDepartsOn time on this routeLate avgCancelled
B6 445 JetBlue7:00 AM92%40m3.7%
WN 2147 Southwest11:10 AM84%50m0%
B6 545 JetBlue2:40 PM61%164m1.1%

PBI conditions · PBI → ISP · Cancellations

From BTS on-time data, June-August 2026; flights with 20+ trips on this route. On-time rates cover each flight number's whole day, which can include other legs. Departure times are local.

Find a flightRental car