Process Book

Flight Delay Visualization for 2021


Select an orange dot to view data for a particular month, and select a pin on the map to look at the delay data for a particular airport.


Average Delay Times of the Largest Airlines

In 2021, the three largest airlines in the USA by passengers carried were American Airlines, Southwest Airlines, and United Airlines. They carried 165 Million, 123 Million, and 104 Million Passengers in 2021, respectively. Use this interactive bar chart to compare the average delays of USA-based airline companies.

Average Delay Time of Delayed Flights (min.)

Median Delay Time of Delayed Flights (min.)

% of Delayed Flights

% of Cancelled Flights


Busiest Airport Hubs in the United States

The busiest airport in the USA for 2021 was the Hartsfield–Jackson Atlanta International Airport (ATL), followed by the Los Angeles International Airport (LAX) and Chicago O'Hare International Airport (ORD).

Currently Looking At:

Philadelphia International Airport (PHL)