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4,523 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 68%.

Best time to leave 9–10 am 97% arrive on time from AUS
Best single flight DL 1344 AUS 05:25 → ATL 08:48 · 96% on time Avoid F9 4702 AUS 13:51 → ATL 17:37 · 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
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19
AUS
96
96
90
96
91
85
80
80
70
75
61
72
68
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.
Delta 3,201 86% 1.4% 76 min
Southwest 1,036 79% 0.6% 55 min
Frontier 285 52% 2.8% 76 min
American 1 – 0.0% –

Dimmed: fewer than 150 flights in the year, too few to rank.

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 1344 AUS 05:25 ATL 08:48 96%
DL 1258 AUS 06:25 ATL 09:45 94%
DL 2976 AUS 10:35 ATL 13:52 91%
DL 2899 AUS 08:15 ATL 11:30 88%
DL 2011 AUS 13:31 ATL 17:00 86%
· · ·
DL 2104 AUS 14:44 ATL 18:13 79%
DL 1491 AUS 18:24 ATL 22:00 76%
F9 4702 AUS 13:51 ATL 17:37 51%
All 16 flights on this route →

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 AUS ATL 2h 20m 86% 1.4% 3,201 Flying now
Southwest AUS ATL 2h 10m 79% 0.6% 1,036 Flying now
Frontier AUS ATL 2h 42m 52% 2.8% 285 Flying now
American AUS ATL – 100%few flights 0.0% 1 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