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brawler839 t1_j2cse54 wrote

These are definitely correlated, but there is probably no common single factor other than COVID-19. Especially considering (I don't think) Indianapolis and Hong Kong have ever had a direct flight connection. So while each data set may be interesting on it's own, or grouped in a larger data set, the two, directly compared, don't really make sense together.

The most interesting thing about this graph, is that a large transportation hub like Hong Kong has basically barely recovered, in comparison to a smaller hub like Indianapolis. However, looking at the data provided before COVID-19, it looks like airport shutdowns in general cause major disruption and there could be a multitude of reasons why a place like Hong Kong may have (and continue to have) lower air travel traffic volumes, especially 2 years after an event like "protests".

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petertotheolson t1_j2cut1n wrote

I think your second paragraph is in line with what OP was going for. Doesn’t seem to be anything from them trying to draw a larger connection. Absolutely wild that HK is only operating at 1/6th of its precovid traffic.

OP, it would be interesting to see if any other SE Asian cities became transit hubs in the meantime, or if in general the world is still in the first steps of recovery.

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