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Showing Alaska only (incl. its regional partners)All airlines ×
621 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Alaska’s MSY → SEA flights land within a few points of 72% on time whatever the hour.

Best time to leave 7–8 am 75% arrive on time from MSY
Best single flight AS 451 MSY 07:10 → SEA 10:17 · 73% on time Avoid AS 569 MSY 17:19 → SEA 20:25 · 72% 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).

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MSY
78
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72
% 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.

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.
AS 451 MSY 07:10 SEA 10:17 73%
AS 569 MSY 17:19 SEA 20:25 72%

All 2 Alaska 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.
AS 451 MSY 07:10 SEA 10:17 5h 07m 314 73% 0.3% 50 min
AS 569 MSY 17:19 SEA 20:25 5h 06m 306 72% 1.3% 58 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.
Alaska MSY SEA 5h 07m 72% 0.8% 621 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