DL9799 TucsonTUS SeattleSEA
DL9799 by Delta Air Lines flies from Tucson (TUS) to Seattle (SEA).
scheduled from TUS
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at TUS and SEA are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Tucson to Seattle flights today
same route · Delta Air LinesIf DL9799 is cancelled, this is the other Delta Air Lines nonstop flight from Tucson to Seattle on the same day, with scheduled departure times in TUS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL9799 actually runs
Pro Flight Search has tracked every published board update for DL9799 across the TUS and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 12.8/100. Based on airport operations, weather, and cached board history at TUS and SEA.
The verdict above is that record speaking, so it reflects how DL9799 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around DL9799? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL9799 Tucson to Seattle on-time performance, measured from the TUS and SEA airport boards.
https://proflightsearch.com/flight/DL9799
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