O'Hare International Airport — terminals and inbound tempo
O'Hare operates Terminals 1, 2, 3 (domestic) and 5 (international) across four runways and is one of the busiest airports in the world. Peak inbound waves cluster 05:00-08:00 and 14:00-18:00 with a strong overnight transatlantic peak into T5. The Central Taxicab Terminal handles all taxi staging, with curbside dispatch in queue order per terminal.
