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6,268 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 5–6 am 91% arrive on time from ATL
Best single flight DL 2836 ATL 07:30 → MIA 09:30 · 90% on time Avoid F9 3442 ATL 20:55 → MIA 23:05 · 51% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
ATL
91
91
89
83
84
81
79
78
76
69
74
65
65
59
57
52
42
66
% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
American (incl. Envoy, Republic) 1,810 76% 0.8% 90 min
Spirit 252 75% 4.4% 102 min
Delta 3,306 72% 1.8% 57 min
Frontier 900 65% 1.6% 98 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 2836 ATL 07:30 MIA 09:30 90%
AA 3190 ATL 07:00 MIA 09:05 86%
AA 2526 ATL 09:00 MIA 11:07 84%
DL 1510 ATL 08:55 MIA 10:57 84%
DL 1332 ATL 11:00 MIA 13:04 82%
· · ·
DL 1323 ATL 15:58 MIA 18:09 63%
DL 1386 ATL 14:54 MIA 17:00 63%
F9 3442 ATL 20:55 MIA 23:05 51%

All 19 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.
AA 1135 ATL 05:20 MIA 07:15 1h 55m 29 83% 0.0% 121 min
AA 3190 ATL 07:00 MIA 09:05 2h 05m 182 86% 0.0% 123 min
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
AA 2526 ATL 09:00 MIA 11:07 2h 07m 164 84% 0.6% 82 min
AA 512 ATL 10:38 MIA 12:38 2h 00m 72 79% 1.4% 74 min
DL 1332 ATL 11:00 MIA 13:04 2h 04m 365 82% 1.4% 57 min
F9 4406 ATL 11:47 MIA 13:53 2h 02m 347 74% 0.9% 81 min
DL 1579 ATL 12:54 MIA 14:55 2h 01m 361 76% 0.8% 50 min
F9 2272 ATL 14:29 MIA 16:33 2h 04m 213 67% 0.0% 139 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
AA 1367 ATL 19:00 MIA 21:00 2h 05m 72 30% 1.4% 99 min
DL 1588 ATL 20:16 MIA 22:17 2h 01m 364 66% 1.1% 67 min
F9 3442 ATL 20:55 MIA 23:05 2h 08m 294 51% 2.7% 89 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.
American ATL MIA 2h 02m 76% 0.8% 1,810 Flying now
Delta ATL MIA 2h 02m 72% 1.8% 3,306 Flying now
Frontier ATL MIA 2h 04m 65% 1.6% 900 Flying now
Spirit ATL MIA 1h 59m 75% 4.4% 252 Not 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