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Showing Delta only (incl. its regional partners)All airlines ×
3,306 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 7–8 am 90% arrive on time from ATL
Best single flight DL 2836 ATL 07:30 → MIA 09:30 · 90% on time Avoid DL 1386 ATL 14:54 → MIA 17:00 · 63% 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
17
18
19
20
21
22
ATL
89
88
89
84
88
78
77
65
74
66
63
67
64
58
72
% 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 2836 ATL 07:30 MIA 09:30 90%
DL 1510 ATL 08:55 MIA 10:57 84%
DL 1332 ATL 11:00 MIA 13:04 82%
DL 1579 ATL 12:54 MIA 14:55 76%
DL 1589 ATL 22:49 MIA 00:51 69%
· · ·
DL 1234 ATL 21:37 MIA 23:39 65%
DL 1323 ATL 15:58 MIA 18:09 63%
DL 1386 ATL 14:54 MIA 17:00 63%

All 11 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 2836 ATL 07:30 MIA 09:30 2h 03m 346 90% 2.9% 45 min
DL 1510 ATL 08:55 MIA 10:57 2h 01m 365 84% 2.2% 47 min
DL 1332 ATL 11:00 MIA 13:04 2h 04m 365 82% 1.4% 57 min
DL 1579 ATL 12:54 MIA 14:55 2h 01m 361 76% 0.8% 50 min
DL 1386 ATL 14:54 MIA 17:00 2h 06m 327 63% 1.5% 52 min
DL 1323 ATL 15:58 MIA 18:09 2h 11m 360 63% 1.7% 52 min
DL 1328 ATL 16:30 MIA 18:34 2h 04m 126 54% 1.6% 56 min
DL 1631 ATL 17:45 MIA 19:56 2h 11m 55 51% 3.6% 85 min
DL 1588 ATL 20:16 MIA 22:17 2h 01m 364 66% 1.1% 67 min
DL 1234 ATL 21:37 MIA 23:39 2h 02m 282 65% 0.7% 66 min
DL 1589 ATL 22:49 MIA 00:51 2h 02m 234 69% 3.4% 56 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 MIA 2h 02m 72% 1.8% 3,306 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