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The return Kangaroo Route.
Qantas QF2 flies the jet-stream + mountain-wave corridor from London to Sydney. Conditions change hour to hour — view the live forecast for your departure date.
View live forecastJet-stream exposure on this corridor is significant. Long mid-latitude legs mean clear-air turbulence is the dominant source of bumps, typically encountered at cruise altitude. The route crosses or passes near the Himalayas, which can generate mountain-wave turbulence downwind when upper-level winds are strong. At tropical latitudes, convective turbulence from thunderstorms is the main driver — pilots generally route around storm cells, but afternoon/evening flights encounter more build-up than morning departures. Flying eastbound, aircraft usually benefit from tailwinds near the jet core, which trims flight time — but the edges of the jet are where clear-air turbulence most often sits.
Calmest season: Late spring and early autumn. Transpacific routes are most turbulent in winter months when the polar jet is strong and positioned further south. Wind flowing over Himalayas can generate mountain-wave turbulence that extends hundreds of kilometres downwind — most pronounced in winter when upper-level winds are strongest.
Full LHR to SYD route guideQantas QF2 operates between LHR and SYD. Whether it’s bumpy depends on the day’s weather — Turbcast pulls live NOAA aviation-grade data so you can check the actual forecast for your departure date rather than relying on averages.
QF2 is typically operated by the A380. Aircraft swaps happen — confirm with your booking before flying.
Approximately 20h 17m direct, covering 17,021 km at a typical cruise of FL410.
Historically calmest during Late spring and early autumn. Forecast accuracy improves as you get closer to departure — within 48 hours the NOAA WAFS model is at peak skill.