Airplanes as a part of the airport

I noticed nothing very unrealistic in IF… Let’s say today there ATC is YYZ and you wanna make a flight from JFK to YYZ… But when you spawn at JFK you’re going COMPLETELY alone there which is vary unrealistic because this is one of the busiest airports ever…
So how can we avoid it?? Imagine that you spawn and in every gate there is a plane or every some gates like the real life I would suggest even make bot pilots but it is too heavy to IOS and Android…
What do you say???
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