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2,372 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 8–9 am 88% arrive on time from MIA
Best single flight F9 3322 MIA 15:07 → RDU 17:29 · 76% on time Avoid AA 1286 MIA 21:47 → RDU 23:59 · 62% 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).

8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
MIA
87
88
87
63
67
64
63
67
73
68
63
74
% 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
Raleigh/Durham flights leaving MIA 4–5 pm: 1Close ×
AA 2375 MIA 16:47 RDU 19:06 2h 19m 52 46% 0.0% 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.
Frontier 199 76% 2.0% 64 min
American (incl. Envoy, Republic) 1,797 72% 1.4% 73 min
Delta (incl. Endeavor) 376 64% 2.4% 92 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 3322 MIA 15:07 RDU 17:29 76%
AA 1566 MIA 19:00 RDU 21:17 69%
DL 2992 MIA 18:28 RDU 20:52 65%
AA 1286 MIA 21:47 RDU 23:59 62%
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.
Frontier MIA RDU 2h 22m 76% 2.0% 199 Flying now
American MIA RDU 2h 14m 72% 1.4% 1,797 Flying now
Delta MIA RDU 2h 19m 64% 2.4% 376 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