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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: 9 in 10 depart on time. After 4 pm it’s 63%.

Best time to leave 10–11 am 92% arrive on time from BOS
Best single flight DL 2066 BOS 06:20 → RDU 08:28 · 91% on time Avoid DL 817 BOS 20:05 → RDU 22:16 · 55% 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
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9
10
11
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BOS
92
88
87
91
75
84
74
79
66
48
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 2066 BOS 06:20 RDU 08:28 91%
DL 2118 BOS 10:00 RDU 12:04 89%
DL 2283 BOS 13:00 RDU 15:04 83%
DL 2782 BOS 17:15 RDU 19:37 75%
DL 817 BOS 20:05 RDU 22:16 55%

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 2066 BOS 06:20 RDU 08:28 2h 08m 286 91% 3.5% 95 min
DL 2118 BOS 10:00 RDU 12:04 2h 04m 282 89% 3.2% 102 min
DL 2283 BOS 13:00 RDU 15:04 2h 04m 248 83% 0.8% 86 min
DL 2782 BOS 17:15 RDU 19:37 2h 14m 326 75% 2.5% 77 min
DL 817 BOS 20:05 RDU 22:16 2h 12m 289 55% 3.1% 88 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 BOS RDU 2h 21m 79% 2.7% 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