DTW to SEA Route Guide
Detroit, United States → Seattle, United States
Quick answer
KDTW (Detroit, United States) to KSEA (Seattle, United States) is a 1,670 NM (3,093 km / 1,922 mi) great-circle route with an initial bearing of 294° (WNW). Typical cruise altitude FL350, expected flight time 4h 8m, common aircraft: Boeing 737-800, Airbus A320neo, Airbus A321neo.
Distance
1,670 NM
3,093 km / 1,922 mi
Initial Bearing
294° (WNW)
True heading at departure
Typical Cruise
FL350
35,000 ft
Block Time
4h 8m
Typical jet, no wind correction
Fuel Estimate
6,510 kg
Single-aisle equivalent + reserve
Departure Elevation
645 ft
KDTW
Arrival Elevation
433 ft
KSEA
What aircraft fly this route?
For a 1,670 NM mission, operators typically deploy:
- Boeing 737-800
- Airbus A320neo
- Airbus A321neo
- Boeing 737 MAX 8
Weather considerations
Pilots flying DTW-SEA should brief METARs and TAFs at both ends, plus any en-route SIGMETs.
Frequently asked questions
What is the distance between DTW and SEA?
1,670 nautical miles (3,093 km / 1,922 statute miles) great-circle.
How long is the flight from Detroit to Seattle?
Approximately 4h 8m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly DTW-SEA?
Common types include Boeing 737-800, Airbus A320neo, Airbus A321neo, Boeing 737 MAX 8 depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL350 (35,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
294° true (WNW). Track varies along the route due to great-circle curvature.
Plan your next flight with confidence
Free aviation tools: METAR decoder, fuel calculator, weather, and live tracking.
Start Free →