MIA to SEA Route Guide

Miami, United States β†’ Seattle, United States

Quick answer

KMIA (Miami, United States) to KSEA (Seattle, United States) is a 2,365 NM (4,380 km / 2,722 mi) great-circle route with an initial bearing of 314Β° (NW). Typical cruise altitude FL380, expected flight time 5h 27m, common aircraft: Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR.

Distance

2,365 NM

4,380 km / 2,722 mi

Initial Bearing

314Β° (NW)

True heading at departure

Typical Cruise

FL380

38,000 ft

Block Time

5h 27m

Typical jet, no wind correction

Fuel Estimate

8,595 kg

Single-aisle equivalent + reserve

Departure Elevation

8 ft

KMIA

Arrival Elevation

433 ft

KSEA

What aircraft fly this route?

For a 2,365 NM mission, operators typically deploy:

  • Boeing 757-200
  • Boeing 737 MAX 8
  • Airbus A321XLR
  • Airbus A330-300

Weather considerations

Pilots flying MIA-SEA should brief METARs and TAFs at both ends, plus any en-route SIGMETs. On this long-range mission, plan for an alternate within fuel reserves and review oceanic / NAT track procedures if applicable.

Frequently asked questions

What is the distance between MIA and SEA?

2,365 nautical miles (4,380 km / 2,722 statute miles) great-circle.

How long is the flight from Miami to Seattle?

Approximately 5h 27m block-to-block for a typical commercial jet, depending on aircraft type and winds.

What aircraft typically fly MIA-SEA?

Common types include Boeing 757-200, Boeing 737 MAX 8, Airbus A321XLR, Airbus A330-300 depending on operator and demand.

What altitude do flights cruise at?

Most flights at this distance cruise around FL380 (38,000 ft), though winds and traffic affect filed altitude.

What initial heading is the route?

314Β° true (NW). Track varies along the route due to great-circle curvature.

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