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4,530 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 62%.

Best time to leave 6–7 am 92% arrive on time from MIA
Best single flight DL 2428 MIA 07:05 → JFK 10:00 · 88% on time Avoid DL 2500 MIA 19:59 → JFK 23:19 · 53% 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
88
92
87
78
86
80
80
59
59
70
65
71
62
57
61
82
% 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.
Frontier 244 81% 2.0% 116 min
Delta 1,621 73% 3.3% 76 min
American 2,665 71% 2.6% 81 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.
DL 2428 MIA 07:05 JFK 10:00 88%
DL 1514 MIA 15:25 JFK 18:54 73%
AA 944 MIA 21:51 JFK 00:59 64%
AA 1922 MIA 18:33 JFK 21:45 61%
AA 1357 MIA 19:50 JFK 23:01 56%
· · ·
DL 2500 MIA 19:59 JFK 23:19 53%
All 14 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.
Delta MIA JFK 3h 07m 73% 3.3% 1,621 Flying now
American MIA JFK 3h 02m 71% 2.6% 2,665 Flying now
Frontier MIA JFK 3h 07m 81% 2.0% 244 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