Terminals · MIA
United departs from the South Terminal and the Central Terminal at Miami International Airport (MIA). We verified this against the airport's own sources on April 28, 2026 — airlines do move terminals, so we date every check.

United departs from the South Terminal and the Central Terminal at Miami International Airport (MIA). Domestic departures from Concourse H (South Terminal); the directory also tags Concourse G (Central Terminal). Check-in counters 520-529 at Concourse H. Verified April 28, 2026.
Check-in at Concourse H. Bag drop usually closes 45 minutes before departure, so build that into your morning.
Not that we've found. We confirmed United departs from the South Terminal and the Central Terminal at MIA as of April 28, 2026. Airlines do shuffle terminals, so we re-check and date every change.
Any international/overflow operations use Concourse G (Central Terminal); United's MIA service is now essentially all domestic out of Concourse H.
Not sure which building that is? See all MIA terminals with the airport map and how to get between them. Then let your Leave-By Time count backward from your flight — today's MIA security wait, your drive, and the walk to your gate — so you leave with room to breathe.