Why Westbound Flights Take Longer: The Jet Stream, With Examples
Westbound flights take longer because they fly into the jet stream's headwinds. See how it works, real route times, and when the gap is biggest.
Nonstop from Sydney Kingsford Smith to Incheon International: distance, flying time, which airlines fly it and how often.
Distance
5,184 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
Also in the data (cargo, charter or a foreign airline on a domestic route): T'Way Air.
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Fares found in recent searches load here. You can also compare SYD to ICN fares by month.
About 10h 36m gate to gate for the 8,343 km (5,184 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Asiana Airlines, Jetstar and Korean Air, with about 4.6 flights a day between them in our data (AeroDataBox, November 2026).