Analyzed and manipulated the database containing 13k+ delayed domestic flights in US in one day, by using SQL. Visualized the result of the data analysis in an interactive map illustrating delayed flights as lines between airports by using Tableau; showcased the distribution and the scale of delayed flights in US, each flight’s information and insights on mapping out delayed flights, for travelers’ reference. This application showcases the domestic flights in the United States on 1 January 2015. The data demonstrates each airports’ longitude, latitude, and the distance between origin and destination airports. The lines change colors from the origin airports to its destination airports.
From the visualization, we can observe that the flights in the contiguous 48 states are more frequent than the outlying states and territories. For the 48 states, the major hubs like DFW, JFK, and LAX have huge amounts of flights going in and out. For the outlying states and territories, the flights to and from Hawaii and Puerto Rico are more frequent than to and from Alaska and Guam, probably because of their famous tourism.
If you want to read the Tableau Code, please click Tableau file If you want to have a preview of the visualization, please go to the website