Find out why flights get cancelled at major hubs like Newark and how airport capacity affects the routes available at different airports. We break down the infrastructure story behind every delay and every capacity crunch that shapes connections across the network.

We explain how slot allocation works at congested airports. Why airport is overscheduled. What airport decisions mean for the airlines and routes that exist at major US hubs.

Understand airport operations across major US airports. Why certain airports have robust service while others struggle. And what airport capacity actually means for the routes connecting different cities.