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4,387 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 63%.

Best time to leave 9–10 am 91% arrive on time from RDU
Best single flight DL 5101 RDU 19:59 → LGA 21:58 · 65% on time Avoid DL 5184 RDU 15:01 → LGA 16:44 · 60% 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
RDU
90
89
81
98
83
76
79
71
69
72
79
64
61
55
% 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
New York flights leaving RDU 6–7 am: 1Close ×
DL 4689flown by Endeavor RDU 06:00 LGA 07:43 1h 43m 48 83% 4.2% 118 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, Republic) 2,314 72% 5.7% 107 min
American (incl. Republic) 1,903 70% 5.9% 77 min
Frontier 170 60% 5.9% 62 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 5101flown by Endeavor RDU 19:59 LGA 21:58 65%
AA 4560flown by Republic RDU 20:20 LGA 22:14 61%
AA 4497flown by Republic RDU 15:54 LGA 17:44 61%
DL 5184flown by Endeavor RDU 15:01 LGA 16:44 60%
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.
Delta RDU LGA 1h 43m 72% 5.7% 2,314 Flying now
American RDU LGA 1h 43m 70% 5.9% 1,903 Flying now
Frontier RDU LGA 1h 36m 60% 5.9% 170 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