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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
8
9
10
11
12
13
14
15
16
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19
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

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 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 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.
DL 780 AUS 06:00 SEA 08:26 4h 26m 325 93% 0.9% 148 min
AS 463 AUS 08:30 SEA 11:08 4h 38m 38 95% 0.0% 22 min
AS 215 AUS 08:30 SEA 10:58 4h 28m 52 65% 0.0% 40 min
DL 1684 AUS 11:19 SEA 13:54 4h 35m 110 94% 0.0% 136 min
WN 389 AUS 13:30 SEA 15:50 4h 20m 16 25% 0.0% 32 min
WN 393 AUS 14:20 SEA 16:40 4h 20m 34 52% 2.9% 36 min
AS 502 AUS 15:47 SEA 18:26 4h 39m 28 93% 0.0% 41 min
AS 503 AUS 16:17 SEA 18:47 4h 30m 335 87% 0.9% 67 min
DL 831 AUS 18:14 SEA 20:50 4h 36m 204 76% 2.0% 81 min
AS 352 AUS 19:04 SEA 21:40 4h 36m 28 78% 0.0% 92 min
AS 339 AUS 19:07 SEA 21:35 4h 28m 288 74% 0.7% 50 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.
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