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3,249 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 2 in 3.

Best time to leave 6–7 am 93% arrive on time from MIA
Best single flight AA 551 MIA 09:00 → PHL 11:55 · 86% on time Avoid F9 1204 MIA 21:21 → PHL 00:27 · 69% 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
92
92
87
81
80
75
68
71
74
66
65
69
67
63
67
% 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
Philadelphia flights leaving MIA 7–8 am: 2Close ×
AA 2553 MIA 07:45 PHL 10:41 2h 56m 27 80% 7.4% 293 min
AA 2328 MIA 07:45 PHL 10:43 2h 58m 30 96% 6.7% 918 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 2,665 77% 2.6% 82 min
Spirit 222 75% 4.5% 64 min
Frontier 362 72% 3.0% 90 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.
AA 551 MIA 09:00 PHL 11:55 86%
AA 2188 MIA 22:04 PHL 00:55 76%
AA 3061 MIA 19:55 PHL 22:53 70%
F9 1204 MIA 21:21 PHL 00:27 69%
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.
American MIA PHL 2h 53m 77% 2.6% 2,665 Flying now
Frontier MIA PHL 3h 05m 72% 3.0% 362 Flying now
Spirit MIA PHL 2h 53m 75% 4.5% 222 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