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2,067 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 73%.

Best time to leave 6–7 am 93% arrive on time from AUS
Best single flight DL 780 AUS 06:00 → SEA 08:26 · 93% on time Avoid AS 339 AUS 19:07 → SEA 21:35 · 74% 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
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9
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AUS
92
88
79
93
88
83
85
76
68
77
% 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
Seattle flights leaving AUS 11 am–12 pm: 1Close ×
DL 1684 AUS 11:19 SEA 13:54 4h 35m 110 94% 0.0% 136 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 943 85% 1.1% 91 min
Alaska 1,066 83% 0.8% 52 min
Southwest 58 – 1.7% 34 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 780 AUS 06:00 SEA 08:26 93%
AS 503 AUS 16:17 SEA 18:47 87%
DL 831 AUS 18:14 SEA 20:50 76%
AS 339 AUS 19:07 SEA 21:35 74%
All 11 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 SEA 4h 36m 85% 1.1% 943 Flying now
Alaska AUS SEA 4h 36m 83% 0.8% 1,066 Flying now
Southwest AUS SEA 4h 20m 51% 1.7% 58 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