Hi Bruce,
For SavvyAnalysis, it's really easy: just share the URL (browser link) like this:
https://www.savvyanalysis.com/flight...c-43e5a6dc9ba8
Just make sure Flight Sharing is enabled (which is the case by default): My Account -> Sharing Options.
Anyone that clicks on the link will be able to see a fully interactive chart with your flight, change the series display, zoom in/out, etc. Much better than a static image.
If you decide you want to stop sharing, you can turn it off from the Sharing Options. There is also an option to reset all existing, previously shared links, but continue share new links.
Happy to answer any other questions you have.
Thanos
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SavvyAnalysis
www.savvyanalysis.com
support@savvyanalysis.com