1,221 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 11 am–12 pm 89% arrive on time from ISP

Best single flight B6 545 ISP 14:40 → PBI 17:33 · 69% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

ISP

% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

West Palm Beach flights leaving ISP 11 am–12 pm: 1Close ×


WN 2147	ISP 11:10	PBI 14:00	2h 50m	41	88%	0.0%	33 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


JetBlue	571	74%	2.5%	99 min
Southwest	581	72%	1.5%	49 min
Frontier	69	–	4.3%	86 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.


B6 545	ISP 14:40	PBI 17:33	69%

All 4 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.


JetBlue	ISP	PBI	2h 53m	74%	2.5%	571	Flying now
Southwest	ISP	PBI	2h 50m	72%	1.5%	581	Flying now
Frontier	ISP	PBI	3h 11m	70%	4.3%	69	Not flying now

Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON