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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).

6
7
8
9
10
11
12
13
14
15
16
17
ISP
94
89
79
88
63
69
55
60
73
51
% 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

Pick an hour to see this route’s flights leaving then.

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 in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
B6 445 ISP 06:30 PBI 09:21 2h 51m 50 92% 0.0% 42 min
WN 2147 ISP 11:10 PBI 14:00 2h 50m 41 88% 0.0% 33 min
WN 937 ISP 14:20 PBI 17:10 2h 50m 16 73% 6.2% 28 min
B6 545 ISP 14:40 PBI 17:33 2h 53m 357 69% 2.0% 100 min

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