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).

MIA

% 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

San Juan flights leaving MIA 11 am–12 pm: 1Close ×


AA 2584	MIA 11:17	SJU 14:12	2h 55m	72	92%	0.0%	96 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	2,109	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 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	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