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3,654 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 68%.

Best time to leave 5–6 am 92% arrive on time from RDU
Best single flight AA 2849 RDU 07:03 → ORD 08:30 · 85% 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
14
15
16
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18
19
RDU
91
96
88
90
90
91
77
81
53
76
73
66
68
67
% 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
Chicago flights leaving RDU 10–11 am: 3Close ×
UA 1363 RDU 10:00 ORD 11:26 2h 26m 24 96% 0.0% 18 min
UA 1448 RDU 10:00 ORD 11:26 2h 26m 117 87% 0.0% 189 min
UA 5732flown by SkyWest RDU 10:59 ORD 12:29 2h 30m 69 86% 4.3% 119 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.
United (incl. SkyWest, Republic) 1,528 78% 1.6% 105 min
American (incl. Envoy, PSA, SkyWest, Republic) 2,012 74% 3.8% 98 min
Frontier 114 – 5.3% 148 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 2849 RDU 07:03 ORD 08:30 85%
All 16 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.
United RDU ORD 2h 28m 78% 1.6% 1,528 Flying now
American RDU ORD 2h 34m 74% 3.8% 2,012 Flying now
Frontier RDU ORD 2h 25m 58% 5.3% 114 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