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2,643 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 64%.

Best time to leave 6–7 am 96% arrive on time from SJU
Best single flight F9 3377 SJU 07:30 → MIA 10:15 · 81% 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
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SJU
87
95
96
84
82
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77
59
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66
% 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
Miami flights leaving SJU 6–7 pm: 1Close ×
F9 2383 SJU 18:41 MIA 21:39 2h 58m 81 78% 1.2% 124 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.
American 2,110 79% 0.7% 91 min
Frontier 379 78% 1.8% 100 min
Spirit 154 73% 2.6% 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.
F9 3377 SJU 07:30 MIA 10:15 81%
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.
American SJU MIA 2h 58m 79% 0.7% 2,110 Flying now
Frontier SJU MIA 2h 58m 78% 1.8% 379 Flying now
Spirit SJU MIA 2h 50m 73% 2.6% 154 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