Flight scheduling can quite a complicated task, and every airline does it differently depending on the company’s business model.
American Airlines for instance tries to schedule the majority of arrivals into its hubs around similar times so that connecting passengers wouldn’t spend more than two hours making a global connection. However budget airlines have a more spread out approach because of cost constraints.
In some odd cases, airlines might park planes up for an entire day just to avoid inconveniencing customers making connections.
Here’s is a quick run down on how different airlines schedule their flights to maximize profits and minimize delays.