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

The best bet has a stop: United via Bush (7h 32m) reaches Seattle on time 94% of the time, against 71% on the nonstop.

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
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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

Alaska 621 72% 0.8% 54 min
Delta 5 – 0.0% –

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.

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

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
Delta MSY SEA – 100%few flights 0.0% 5 Not flying now

Alternatives with one stop

All connections →
UnitedDetails → MSY 05:15 → IAH 06:34UA 2744 1h 26m Houston IAH 08:00 → SEA 10:47UA 2654 7h 32m 97% 94%
UnitedDetails → MSY 08:04 → DEN 10:05UA 1376 1h 17m Denver DEN 11:22 → SEA 13:22UA 1424 7h 18m 89% 77%
DeltaDetails → MSY 13:30 → SLC 16:08DL 736 1h 12m Salt Lake City SLC 17:20 → SEA 18:36DL 871 7h 06m 94% 77%
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