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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
14
15
16
17
18
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
Atlanta flights leaving AUS 8–9 am: 1Close ×
DL 2899 AUS 08:15 ATL 11:30 2h 15m 364 88% 0.5% 110 min

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