Statistics wizard Nate Silver turns his attention to flying, and does some amazing analysis of the best and worst airlines and airports when it comes to delayed and cancelled flights. It’s more complicated than you think, so you might want to read the whole thing. For example, the government data on which he relies specifies that a 14 minute arrival delay counts as “on time”. He also notes that some airlines “pad” their flight times so if they arrive late, they won’t look like a late arrival (kudos to American and US Airways for not doing this).
Anyway, some charts: