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2,375 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 5–6 am 94% arrive on time from RDU
Best single flight AA 1088 RDU 05:01 → MIA 07:12 · 91% on time Avoid DL 890 RDU 08:15 → MIA 10:26 · 82% 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).

5
6
7
8
9
10
11
12
13
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15
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19
RDU
91
95
89
86
90
80
80
60
63
59
% 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
Miami flights leaving RDU 6–7 pm: 1Close ×
F9 2335 RDU 18:14 MIA 20:30 2h 16m 57 66% 7.0% 71 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.
Delta (incl. Endeavor) 376 82% 1.9% 94 min
American (incl. Envoy, Republic) 1,800 77% 1.5% 101 min
Frontier 199 68% 3.5% 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.
AA 1088 RDU 05:01 MIA 07:12 91%
AA 3010 RDU 08:30 MIA 10:44 86%
DL 890 RDU 08:15 MIA 10:26 82%
All 9 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 RDU MIA 2h 30m 82% 1.9% 376 Flying now
American RDU MIA 2h 14m 77% 1.5% 1,800 Flying now
Frontier RDU MIA 2h 18m 68% 3.5% 199 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