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Flights Seoul → Seattle

ICN → SEA

17.3
Average risk (Medium)
2
Airlines

Route overview

The flight route connects Seoul with Seattle, operating with a mix of aircraft including the Boeing 777-200, Boeing 777-300ER, and Airbus A330-300. The destination airport in Seattle sees an annual passenger traffic of over 52 million passengers, indicating high demand and connectivity for this route.

Your rights on this US flight (DOT)

US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.

US flight refund rules & checker →

General information, not legal advice.

The Seoul (ICN) → Seattle (SEA) route is operated by Delta Air Lines, United Airlines. FlightGuard's average computed risk is 17.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Seoul the average ATFM delay is 2.0 minutes.

Heading to Seattle: what to expect in this direction

Flying from Seoul (ICN) to Seattle (SEA) heads north-east for about 8,373 km, a flight time of roughly 10h 53m.

Air-traffic congestion: departing Seoul the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).

Route facts

Time difference
16h behind
Arrival (dest. local time)
15:53
Elevation SEA
433 ft
Typical aircraft
Boeing 777-200, Boeing 777-300ER
Est. CO₂/passenger
~754 kg

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Airline punctuality on this route

Airline On-time Average delay Cancellations
Delta Air Lines (DL) 80% 8 min 1.8%
United Airlines (UA) 74% 10 min 6.9%

Frequently asked questions about ICN-SEA

Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.

The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.

The route is operated by 2 airlines: Delta Air Lines, United Airlines.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Seattle, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.

US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.