Direct flights from Seattle (SEA) to Tucson (TUS): 14 nonstop departures observed each week across 2 airlines. The median arrival is 7 minutes early. No cancellations were recorded across the 4 tracked flights. The nonstop covers 1,957 km, an estimated 3 hours 1 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Tucson. Updated 13 September 2026 at 18:06 UTC.
route health from live SEA and TUS delay boards
Median arrival delay is −7 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysFlights DL3680 08:29 daily
History
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at TUS: 33% odds of a 15+ minute delay and around +10 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Seattle to Tucson route actually runs
Pro Flight Search records official board updates for nonstop SEA to TUS flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — Seattle (SEA) to Tucson (TUS) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/SEA-TUS
SEA to TUS questions
Is SEA–TUS running on time right now?
Significant delay risk. The departure side at SEA is the weaker end, route health score 50/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SEA–TUS?
Operators schedule morning departures around 08:29 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the TUS delay card to confirm conditions when you'd arrive.
How long is the flight from SEA to TUS?
Great-circle distance is 1,957 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 168–198 min gate-to-gate on this route.
How often does SEA–TUS fly?
2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.