There are a lot of headlines right now about how Chicago O’Hare (ORD) has become the busiest airport in the United States, overtaking Hartsfield-Jackson Atlanta (ATL). That’s interesting, because Atlanta has for years not only been the busiest airport in the country, but also the busiest airport in the world. So what has really happened here? Are the Windy City’s claims accurate?
Here’s how Mayor Johnson describes this achievement for Chicago:
So what gives here? How can there be such a big difference between the number of seats and the number of takeoffs and landings? It’s quite simple — the average aircraft size in Atlanta is way bigger than in Chicago:
A great solo travel tip spotted this week on One Mile at a Time.


