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2,842 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 7 in 10.

Best time to leave 6–7 am 97% arrive on time from RDU
Best single flight DL 5114 RDU 08:05 → BNA 08:51 · 83% on time Avoid DL 5152 RDU 18:15 → BNA 19:19 · 77% 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
97
85
90
91
85
80
78
75
65
79
60
77
61
70
% 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
Nashville flights leaving RDU 9–10 pm: 1Close ×
WN 3421 RDU 21:15 BNA 21:45 1h 30m 50 61% 0.0% 77 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.
Southwest 1,260 82% 1.0% 49 min
Delta (incl. Endeavor) 628 81% 1.8% 87 min
American (incl. Republic) 954 80% 1.8% 72 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 5114flown by Endeavor RDU 08:05 BNA 08:51 83%
DL 5152flown by Endeavor RDU 18:15 BNA 19:19 77%
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.
Southwest RDU BNA 1h 40m 82% 1.0% 1,260 Flying now
Delta RDU BNA 1h 53m 81% 1.8% 628 Flying now
American RDU BNA 1h 52m 80% 1.8% 954 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