Seats, Flights & ASMs: What Are Denver International Airport’s Busiest Routes This Year?

Denver International (DEN) is Colorado's main airport, and recent figures show that demand for the facility is booming, with CNBC reporting that last year was its busiest ever. Naturally, such an airport is home to some rather busy routes, but which are the most popular across different metrics? Let's examine which carriers have the busiest corridors out of Denver by flights, seats, and ASMs.