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4,524 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 6–7 am 97% arrive on time from ATL
Best single flight DL 2976 ATL 08:10 → AUS 09:30 · 94% on time Avoid F9 4211 ATL 11:11 → AUS 12:45 · 67% 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).

6
7
8
9
10
11
12
13
14
15
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19
20
21
22
ATL
85
79
68
62
% 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
Austin flights leaving ATL 2–3 pm: 1Close ×
DL 1397 ATL 14:20 AUS 15:50 2h 30m 360 80% 1.4% 45 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.

Southwest 1,036 83% 0.6% 53 min
Delta 3,202 82% 1.4% 57 min
Frontier 285 67% 2.5% 79 min
American 1 – 0.0% 35 min

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 2976 ATL 08:10 AUS 09:30 94%
DL 2011 ATL 11:05 AUS 12:25 88%
DL 2886 ATL 09:40 AUS 11:04 87%
DL 2104 ATL 12:16 AUS 13:39 86%
DL 1335 ATL 22:59 AUS 00:25 82%
· · ·
DL 1491 ATL 16:00 AUS 17:27 76%
DL 1170 ATL 18:59 AUS 20:27 72%
F9 4211 ATL 11:11 AUS 12:45 67%
All 15 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.

Southwest ATL AUS 2h 30m 83% 0.6% 1,036 Flying now
Delta ATL AUS 2h 27m 82% 1.4% 3,202 Flying now
Frontier ATL AUS 2h 37m 67% 2.5% 285 Flying now
American ATL AUS – 0%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