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the claim

Eastbound flights are faster than westbound flights.

the verdict
CONTESTED PARTIAL
Recorded sources
6 sources for · 2 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Eastbound flights are faster than westbound flights?

Partly. Several aviation sources say eastbound flights are faster because they ride the jet stream, though each covers only specific routes or passing remarks. One statistics discussion states the opposite, that westbound flights tend to be faster, so the evidence is mixed and partial.

Verdict: CONTESTED PARTIAL · 6 sources for, 2 against · Last checked

Evidence for · 6
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Why do eastbound transpacific flights fly at lower latitudes than their westbound counterparts?. (n.d.). aviation.stackexchange.com. https://aviation.stackexchange.com/questions/72575

Evidence against · 2
2012
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Zachazewski, J. E. & Magee, D. J. (2012). Handbook of Sports Medicine and Science. books.google.com. http://books.google.com/books?id=rjjBOsGzkS8C&dq=Eastbound+flights+are+faster+than+westbound+flights.&hl=&as_pt=BOOKS&source=gbs_api

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More for · 5
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Why are westbound transatlantic routes located hundreds of km away from eastbound routes?. (n.d.). aviation.stackexchange.com. https://aviation.stackexchange.com/questions/29729

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Impact of the North Atlantic Oscillation on Transatlantic Flight Routes and Clear-Air Turbulence. (n.d.). cir.nii.ac.jp. https://doi.org/10.1175/jamc-d-15-0261.1

2016
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Sharman, R. & Lane, T. (2016). Aviation Turbulence. play.google.com. https://play.google.com/store/books/details?id=jv6ODAAAQBAJ&source=gbs_api

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fitted regression line interpretation?. (n.d.). math.stackexchange.com. https://math.stackexchange.com/questions/3239916

2020
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Huddart, D. & Stott, T. A. (2020). Earth Environments. books.google.com. http://books.google.com/books?id=Fb64DwAAQBAJ&dq=Eastbound+flights+are+faster+than+westbound+flights.&hl=&as_pt=BOOKS&source=gbs_api

More against · 1
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Influential observations and Outliers in Linear Regression model. (n.d.). stats.stackexchange.com. https://stats.stackexchange.com/questions/350775

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