Flights Washington → Seoul
IAD → ICN
Route overview
The flight route connects Washington with Seoul, operating with a mix of Boeing 777-300ER and Boeing 777-200 aircraft. The destination airport in Seoul sees over 17.8 million passengers annually, highlighting its significance as a major travel hub.
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 Washington (IAD) → Seoul (ICN) route is operated by Delta Air Lines. FlightGuard's average computed risk is 11/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seoul the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Washington the average ATFM delay is 2.0 minutes.
Heading to Seoul: what to expect in this direction
Flying from Washington (IAD) to Seoul (ICN) heads north for about 11,173 km, a flight time of roughly 14h 23m.
Air-traffic congestion: departing Washington the average ATFM delay is 2.0 min (atfm); arriving into Seoul it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
Airlines operating IAD-ICN
Airports
Frequently asked questions about IAD-ICN
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 1 airline: Delta Air Lines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Seoul, 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.
