SEA to ORD Route Guide
Seattle, United States → Chicago, United States
Quick answer
KSEA (Seattle, United States) to KORD (Chicago, United States) is a 1,491 NM (2,761 km / 1,716 mi) great-circle route with an initial bearing of 90° (E). Typical cruise altitude FL350, expected flight time 3h 44m, common aircraft: Boeing 737-800, Airbus A320neo, Airbus A321neo.
Distance
1,491 NM
2,761 km / 1,716 mi
Initial Bearing
90° (E)
True heading at departure
Typical Cruise
FL350
35,000 ft
Block Time
3h 44m
Typical jet, no wind correction
Fuel Estimate
5,973 kg
Single-aisle equivalent + reserve
Departure Elevation
433 ft
KSEA
Arrival Elevation
672 ft
KORD
What aircraft fly this route?
For a 1,491 NM mission, operators typically deploy:
- Boeing 737-800
- Airbus A320neo
- Airbus A321neo
- Boeing 737 MAX 8
Weather considerations
Pilots flying SEA-ORD should brief METARs and TAFs at both ends, plus any en-route SIGMETs.
Frequently asked questions
What is the distance between SEA and ORD?
1,491 nautical miles (2,761 km / 1,716 statute miles) great-circle.
How long is the flight from Seattle to Chicago?
Approximately 3h 44m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly SEA-ORD?
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?
90° true (E). Track varies along the route due to great-circle curvature.
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