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2,638 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 7–8 am 93% arrive on time from MIA
Best single flight F9 2284 MIA 14:50 → SJU 17:26 · 77% on time Avoid AA 1364 MIA 19:16 → SJU 21:59 · 66% 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
21
22
MIA
91
87
92
89
83
68
74
73
70
66
55
63
61
67
58
62
% 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.
American 2,109 78% 0.5% 70 min
Frontier 379 72% 1.6% 85 min
Spirit 150 60% 4.7% 112 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 2284 MIA 14:50 SJU 17:26 77%
F9 3378 MIA 21:33 SJU 00:28 71%
AA 1364 MIA 19:16 SJU 21:59 66%

All 8 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.
AA 3001 MIA 07:02 SJU 09:45 2h 43m 72 96% 0.0% 101 min
AA 2582 MIA 08:20 SJU 11:04 2h 44m 72 94% 0.0% 81 min
AA 2584 MIA 11:17 SJU 14:12 2h 55m 72 92% 0.0% 96 min
AA 2581 MIA 13:03 SJU 15:47 2h 44m 72 82% 0.0% 39 min
F9 2284 MIA 14:50 SJU 17:26 2h 36m 177 77% 2.3% 114 min
AA 3165 MIA 15:40 SJU 18:24 2h 44m 72 74% 0.0% 50 min
AA 1364 MIA 19:16 SJU 21:59 2h 43m 195 66% 0.0% 60 min
F9 3378 MIA 21:33 SJU 00:28 2h 46m 154 71% 1.3% 65 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.
American MIA SJU 2h 39m 78% 0.5% 2,109 Flying now
Frontier MIA SJU 2h 37m 72% 1.6% 379 Flying now
Spirit MIA SJU 2h 35m 60% 4.7% 150 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