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2,678 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 7–8 am 92% arrive on time from RDU
Best single flight F9 2060 RDU 13:30 → PHL 15:01 · 75% on time Avoid F9 2072 RDU 19:46 → PHL 21:16 · 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
RDU
89
94
87
83
87
71
85
72
67
72
70
65
60
64
59
77
% 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 RDU 8–9 am: 2Close ×
AA 1115 RDU 08:01 PHL 09:34 1h 33m 119 89% 2.5% 119 min
F9 1518 RDU 08:24 PHL 09:57 1h 33m 41 76% 7.3% 44 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 (incl. PSA, Piedmont, Republic) 2,078 75% 2.9% 96 min
Frontier 600 73% 4.0% 88 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 2060 RDU 13:30 PHL 15:01 75%
F9 2072 RDU 19:46 PHL 21:16 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 RDU PHL 1h 31m 75% 2.9% 2,078 Flying now
Frontier RDU PHL 1h 32m 73% 4.0% 600 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