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Showing Delta only (incl. its regional partners)All airlines ×
3,693 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 2 in 3.

Best time to leave 8–9 am 92% arrive on time from ATL
Best single flight DL 987 ATL 07:10 → BOS 09:45 · 90% on time Avoid DL 518 ATL 16:48 → BOS 19:36 · 59% 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).

7
8
9
10
11
12
13
14
15
16
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ATL
91
91
86
84
82
74
72
62
59
62
65
66
66
62
57
75
% 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 987 ATL 07:10 BOS 09:45 90%
DL 855 ATL 10:00 BOS 12:44 87%
DL 862 ATL 11:10 BOS 13:47 84%
DL 865 ATL 22:50 BOS 01:31 80%
DL 350 ATL 12:40 BOS 15:20 77%
· · ·
DL 726 ATL 13:58 BOS 16:46 69%
DL 2595 ATL 15:18 BOS 18:05 66%
DL 518 ATL 16:48 BOS 19:36 59%

All 12 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 987 ATL 07:10 BOS 09:45 2h 35m 334 90% 2.4% 53 min
DL 2432 ATL 08:35 BOS 11:14 2h 39m 110 93% 0.9% 40 min
DL 855 ATL 10:00 BOS 12:44 2h 44m 365 87% 1.4% 45 min
DL 862 ATL 11:10 BOS 13:47 2h 37m 281 84% 1.4% 70 min
DL 350 ATL 12:40 BOS 15:20 2h 41m 344 77% 2.3% 54 min
DL 726 ATL 13:58 BOS 16:46 2h 48m 353 69% 1.4% 59 min
DL 2595 ATL 15:18 BOS 18:05 2h 47m 322 66% 1.2% 68 min
DL 518 ATL 16:48 BOS 19:36 2h 47m 277 59% 1.4% 70 min
DL 821 ATL 18:15 BOS 21:01 2h 46m 338 69% 1.5% 64 min
DL 300 ATL 20:30 BOS 23:14 2h 44m 328 70% 1.8% 65 min
DL 2269 ATL 21:15 BOS 23:59 2h 44m 61 63% 1.6% 55 min
DL 865 ATL 22:50 BOS 01:31 2h 41m 360 80% 2.8% 76 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 ATL BOS 2h 41m 76% 1.8% 3,693 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