Alaska AirlinesAS
Flights AS414 06:00 Mo Th Fr Sa Su · AS340 08:40 daily · AS341 10:45 Mo Tu We Th Fr Su · AS549 varies Mo Th Fr Sa Su
live
Direct flights from Seattle (SEA) to Dallas-Fort Worth (DFW): 21 nonstop departures observed each week across 3 airlines. 86% of the last 7 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes late. No cancellations were recorded across the 7 tracked flights. The nonstop covers 2,668 km, an estimated 3 hours 55 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Dallas-Fort Worth. Updated 17 September 2026 at 20:52 UTC.
SEA
Seattle
busy · +22
DFW
Dallas-Fort Worth
smooth · +0
2,668 km · ~3h 55m est.
Runs reliable · 3 airlines · 21x weekly · nonstop
86% on time
of the last 7 operated SEA → DFW flights arrived within 15 minutes
Median arrival delay is +5 min. 0 of 7 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+5 minacross the last 7 operated legs
Flight time~3h 55mestimated from route distance
Weekly departures21x3 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesAmerican AirlinesDelta Air Lines
Each 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 daysHistory
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 SEA and DFW: 37% odds of a 15+ minute delay and around +7 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 Dallas-Fort Worth route actually runs
Pro Flight Search records official board updates for nonstop SEA to DFW 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
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Seattle (SEA) to Dallas-Fort Worth (DFW) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SEA-DFW
SEA to DFW questions
Is SEA–DFW running on time right now?
Smooth skies ahead. The departure side at SEA is the weaker end, route health score 85/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SEA–DFW?
Operators schedule morning departures around 05:30 and evening departures around 17:34 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DFW delay card to confirm conditions when you'd arrive.
How long is the flight from SEA to DFW?
Great-circle distance is 2,668 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 218–259 min gate-to-gate on this route.
How often does SEA–DFW fly?
3 carriers operate this route, around 104 flights a week between them. Compare carrier days and times in the airline list above.
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