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 Suvarnabhumi: distance, flying time, which airlines fly it and how often.
Distance
4,670 mi, great circle
Flying time
typical, gate to gate
Flights a day
average, November 2026
Airlines
passenger airlines
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 BKK fares by month.
About 9h 37m gate to gate for the 7,515 km (4,670 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Qantas and Thai Airways, with about 3.6 flights a day between them in our data (AeroDataBox, November 2026).