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2,153 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 58%.

Best time to leave 8–9 am 90% arrive on time from BOS
Best single flight DL 1245 BOS 09:20 → PBI 12:39 · 78% on time Avoid DL 2160 BOS 09:20 → PBI 12:37 · 63% 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
18
19
20
BOS
86
88
90
83
75
73
79
71
63
60
59
65
53
56
% 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 BOS 3–4 pm: 1Close ×
B6 2321 BOS 15:39 PBI 18:59 3h 18m 338 67% 3.6% 60 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.
Delta 561 70% 2.9% 80 min
JetBlue 1,583 65% 3.7% 70 min
American 9 – 0.0% 162 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.
DL 1245 BOS 09:20 PBI 12:39 78%
B6 21 BOS 09:00 PBI 12:17 73%
B6 2321 BOS 15:39 PBI 18:59 67%
DL 2160 BOS 09:20 PBI 12:37 63%
All 5 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.
Delta BOS PBI 3h 19m 70% 2.9% 561 Flying now
JetBlue BOS PBI 3h 20m 65% 3.7% 1,583 Flying now
American BOS PBI – 56%few flights 0.0% 9 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