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2,827 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 7 in 10.

Best time to leave 7–8 am 93% arrive on time from RDU
Best single flight DL 1054 RDU 07:00 → BOS 09:02 · 93% on time Avoid B6 2184 RDU 14:34 → BOS 16:34 · 64% 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
92
95
87
90
82
82
74
73
52
67
69
81
63
74
63
% 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
Boston flights leaving RDU 4–5 pm: 1Close ×
DL 1075 RDU 16:05 BOS 18:12 2h 07m 236 67% 1.3% 94 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.
Frontier 168 82% 0.0% 59 min
Delta (incl. Republic) 1,568 81% 2.9% 88 min
JetBlue 1,091 78% 3.0% 74 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 1054 RDU 07:00 BOS 09:02 93%
DL 1022 RDU 09:23 BOS 11:25 88%
B6 484 RDU 09:23 BOS 11:17 85%
F9 3058 RDU 08:59 BOS 11:05 82%
B6 1484 RDU 06:00 BOS 07:59 78%
· · ·
DL 2393 RDU 19:55 BOS 22:02 73%
DL 1075 RDU 16:05 BOS 18:12 67%
B6 2184 RDU 14:34 BOS 16:34 64%
All 10 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.
Frontier RDU BOS 2h 07m 82% 0.0% 168 Flying now
Delta RDU BOS 2h 07m 81% 2.9% 1,568 Flying now
JetBlue RDU BOS 2h 00m 78% 3.0% 1,091 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