Terminals · ORD
ANA departs from Terminal 1 at O'Hare International Airport (ORD). We verified this against the airport's own sources on June 27, 2026 — airlines do move terminals, so we date every check.

ANA departs from Terminal 1 at O'Hare International Airport (ORD). Departs from Terminal 1 (Star Alliance, co-located with United). Verified June 27, 2026.
Terminal 1 ticketing. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Not that we've found. We confirmed ANA departs from Terminal 1 at ORD as of June 27, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Terminal 1 for departures; arrivals (and some check-in services) processed through CBP in Terminal 5.
Not sure which building that is? See all ORD terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's ORD security wait, your drive, and the walk to your gate — so you leave with room to breathe.