Falcon 9 has been flying for 14 years (since 2010). It will be interesting to see how long it takes Starship to hit the same milestone, given SpaceX's ambitions to use it much more heavily.
It's true Falcon 9 has flown for a long time, but its growth rate has been a shockingly consistent 1.6x mass to orbit YoY since the beginning, so at any given time the majority of flights occurred in the previous two years.
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