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

Leave before 9 am: 4 in 5 depart on time. After 4 pm it’s barely half.

Best time to leave 7–8 am 82% arrive on time from BDL
Best single flight B6 1475 BDL 11:50 → SJU 15:41 · 65% on time Avoid B6 275 BDL 19:57 → SJU 22:17 · 49% 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
BDL
58
84
90
64
65
61
55
58
54
55
% 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 727 62% 1.9% 94 min
Frontier 239 59% 2.1% 108 min

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 1475 BDL 11:50 SJU 15:41 65%
F9 4420 BDL 13:48 SJU 17:49 59%
B6 275 BDL 19:57 SJU 22:17 49%

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 BDL SJU 3h 53m 62% 1.9% 727 Flying now
Frontier BDL SJU 4h 04m 59% 2.1% 239 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