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Showing Delta only (incl. its regional partners)All airlines ×
1,568 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 95% arrive on time from RDU
Best single flight DL 1054 RDU 07:00 → BOS 09:02 · 93% on time Avoid DL 1075 RDU 16:05 → BOS 18:12 · 67% 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).

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RDU
94
94
92
86
74
77
66
78
64
% 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

Pick an hour to see this route’s flights leaving then.

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%
DL 1033 RDU 12:55 BOS 14:59 75%
DL 2393 RDU 19:55 BOS 22:02 73%
DL 1075 RDU 16:05 BOS 18:12 67%

All 5 Delta flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
DL 1054 RDU 07:00 BOS 09:02 2h 02m 348 93% 4.0% 76 min
DL 1022 RDU 09:23 BOS 11:25 2h 01m 307 88% 2.6% 82 min
DL 1033 RDU 12:55 BOS 14:59 2h 04m 270 75% 1.5% 87 min
DL 1075 RDU 16:05 BOS 18:12 2h 07m 236 67% 1.3% 94 min
DL 2393 RDU 19:55 BOS 22:02 2h 07m 269 73% 3.7% 90 min

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 BOS 2h 07m 81% 2.9% 1,568 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