SEA → DTWSeattle to Detroit

live

Direct flights from Seattle (SEA) to Detroit (DTW): 37 nonstop departures observed each week across 6 airlines. The median arrival is on schedule. No cancellations were recorded across the 4 tracked flights. The nonstop covers 3,093 km, an estimated 4 hours 28 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Detroit. Updated 17 September 2026 at 10:23 UTC.

SEA Seattle smooth · +10
DTW Detroit smooth · +0
3,093 km · ~4h 28m est.
dep bank 05:16–23:0537x weekly
Running clean · 6 airlines · 37x weekly · nonstop
93 / 100

route health from live SEA and DTW delay boards

Median arrival delay is +0 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+0 minacross the last 4 operated legs
Flight time~4h 28mestimated from route distance
Weekly departures37x6 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Air FranceAlaska 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 days
Air FranceAF

Flights AF2072 varies Sa · AF2645 varies Fr Sa

Alaska AirlinesAS

Flights AS313 09:13 daily · AS343 21:59 daily

American AirlinesAA

Flights AA7622 varies daily · AA9290 varies daily

Delta Air LinesDL

Flights DL812 06:00 daily · DL2324 09:43 daily · DL1706 11:45 daily · DL533 15:00 daily

KLMKL

Flights KL7397 varies daily

WestJetWS

Flights WS8452 varies daily · WS6539 varies Mo Tu We · WS8354 varies daily · WS8786 varies daily

History

operated legs · board outcomes
09-16AA7622arrived+0
09-16AA9290arrived+0
09-16AS343arrived+0
09-15AA7622arrived+0

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SEASeattle +10 min smooth 🌤 clear · NE 5 kt Full SEA delay board →
DTWDetroit +0 min smooth ⛅ overcast · N 3 kt Full DTW delay board →

Weather lens

Current conditions put the pressure at SEA: 29% odds of a 15+ minute delay and around +2 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Seattle to Detroit route actually runs

Pro Flight Search records official board updates for nonstop SEA to DTW 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 Detroit (DTW) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SEA-DTW
How we measure this →

SEA to DTW questions

Is SEA–DTW running on time right now?

Smooth skies ahead. The departure side at SEA is the weaker end, route health score 93/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SEA–DTW?

Operators schedule morning departures around 06:00 and evening departures around 21:59 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DTW delay card to confirm conditions when you'd arrive.

How long is the flight from SEA to DTW?

Great-circle distance is 3,093 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 248–295 min gate-to-gate on this route.

How often does SEA–DTW fly?

6 carriers operate this route, around 97 flights a week between them. Compare carrier days and times in the airline list above.