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6,676 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 4 in 5.

Best time to leave 11 am–12 pm 92% arrive on time from ANC
Best single flight DL 925 ANC 01:30 → SEA 06:09 · 90% on time Avoid AS 47 ANC 07:00 → SEA 11:35 · 80% 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
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16
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18
19
ANC
92
92
90
90
90
90
88
87
84
80
77
80
80
81
83
% 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 ANC 6–7 pm: 1Close ×
AS 1518 ANC 18:02 SEA 22:37 3h 35m 51 80% 0.0% 48 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 1,614 89% 0.7% 108 min
Alaska (incl. Horizon) 5,000 87% 0.9% 54 min
Hawaiian 62 – 0.0% 68 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 925 ANC 01:30 SEA 06:09 90%
DL 853 ANC 06:00 SEA 10:43 89%
DL 922 ANC 14:10 SEA 18:47 89%
AS 48 ANC 10:00 SEA 14:34 88%
AS 98 ANC 01:57 SEA 06:28 88%
· · ·
AS 82 ANC 06:00 SEA 10:35 85%
AS 226 ANC 14:44 SEA 19:18 83%
AS 47 ANC 07:00 SEA 11:35 80%
All 35 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 ANC SEA 3h 39m 89% 0.7% 1,614 Flying now
Alaska ANC SEA 3h 34m 87% 0.9% 5,000 Flying now
Hawaiian ANC SEA 3h 30m 27% 0.0% 62 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