ICN to ORD Route Guide
Seoul, South Korea → Chicago, United States
Quick answer
RKSI (Seoul, South Korea) to KORD (Chicago, United States) is a 5,681 NM (10,521 km / 6,538 mi) great-circle route with an initial bearing of 25° (NNE). Typical cruise altitude FL410, expected flight time 12h 20m, common aircraft: Boeing 777-300ER, Airbus A350-900, Boeing 787-9.
Distance
5,681 NM
10,521 km / 6,538 mi
Initial Bearing
25° (NNE)
True heading at departure
Typical Cruise
FL410
41,000 ft
Block Time
12h 20m
Typical jet, no wind correction
Fuel Estimate
18,543 kg
Single-aisle equivalent + reserve
Departure Elevation
23 ft
RKSI
Arrival Elevation
672 ft
KORD
What aircraft fly this route?
For a 5,681 NM mission, operators typically deploy:
- Boeing 777-300ER
- Airbus A350-900
- Boeing 787-9
- Airbus A330-900neo
Weather considerations
Pilots flying ICN-ORD 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 ICN and ORD?
5,681 nautical miles (10,521 km / 6,538 statute miles) great-circle.
How long is the flight from Seoul to Chicago?
Approximately 12h 20m block-to-block for a typical commercial jet, depending on aircraft type and winds.
What aircraft typically fly ICN-ORD?
Common types include Boeing 777-300ER, Airbus A350-900, Boeing 787-9, Airbus A330-900neo depending on operator and demand.
What altitude do flights cruise at?
Most flights at this distance cruise around FL410 (41,000 ft), though winds and traffic affect filed altitude.
What initial heading is the route?
25° true (NNE). Track varies along the route due to great-circle curvature.
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