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2,336 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 3 in 5.

Best time to leave 5–6 am 93% arrive on time from SJU
Best single flight B6 754 SJU 05:32 → FLL 08:11 · 88% on time Avoid B6 1454 SJU 16:36 → FLL 19:15 · 70% 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).

5
6
7
8
9
10
11
12
13
14
15
16
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20
SJU
94
89
88
81
81
82
79
81
66
64
50
64
59
58
57
52
% 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
Fort Lauderdale flights leaving SJU 8–9 am: 1Close ×
B6 1754 SJU 08:03 FLL 10:43 2h 40m 212 77% 1.4% 76 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.
Frontier 150 84% 2.0% 121 min
JetBlue 1,676 77% 1.3% 75 min
Southwest 248 74% 0.4% 40 min
Spirit 262 62% 3.1% 84 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 754 SJU 05:32 FLL 08:11 88%
B6 1754 SJU 08:03 FLL 10:43 77%
B6 1454 SJU 16:36 FLL 19:15 70%
All 9 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.
Frontier SJU FLL 2h 53m 84% 2.0% 150 Flying now
JetBlue SJU FLL 2h 42m 77% 1.3% 1,676 Flying now
Southwest SJU FLL 2h 55m 74% 0.4% 248 Not flying now
Spirit SJU FLL 2h 48m 62% 3.1% 262 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