Airlines at Miami International Airport (MIA)
Miami, Florida KMIA #9 US airport by passengers
Airlines operating at MIA, ranked by number of departures.
On-time performance at MIA
Based on 27,297 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
| Airline | Departures | Late |
|---|---|---|
| American Airlines | 16,550 | 31.5% |
| Envoy Air | 3,565 | 14.6% |
| Delta Air Lines | 2,840 | 21.8% |
| United Airlines | 1,544 | 20.0% |
| Southwest Airlines | 1,426 | 43.7% |
| Frontier Airlines | 1,073 | 25.9% |
| Republic Airways | 196 | 27.6% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
American Airlines runs a large hub with a strong focus on Latin America and the Caribbean. Many international airlines serve the airport.