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Miami Airport Nears Capacity: Second Airport Planned
30 Apr
Summary
- Miami International Airport faces capacity limits within 15 years.
- County is studying a new airport or expanding existing ones.
- A new airport could take at least 20 years to build.

Miami International Airport (MIA) is confronting significant capacity constraints, with projections indicating it could reach its operational limit within the next 15 years. This situation has led the Miami-Dade Board of County Commissioners to initiate a study into the feasibility of developing a second major airport for the region. The urgency stems from concerns that exceeding capacity could stifle economic growth and disrupt travel.
The current focus is on evaluating three potential sites for future aviation needs. These options include constructing an entirely new airport, which is estimated to take a minimum of 20 years, or expanding existing general aviation airports: Miami Executive Airport (KTMB) and Miami Homestead General Aviation Airport (X51). These expansions are anticipated to require 12 to 15 years to complete. Meanwhile, MIA is actively undergoing a $9 billion modernization initiative to enhance its current infrastructure.