LaGuardia Airport (LGA) in New York City serves a wide array of airlines, providing extensive domestic and international connections. Here is the comprehensive list of airlines operating at LGA, along with their respective terminals:

Terminal A

1. JetBlue Airways: Provides domestic and Caribbean destinations.
2. Spirit Airlines: Budget-friendly national destinations.

Terminal B

1. Air Canada: Flights to major Canadian cities like Toronto and Montreal.
2. American Airlines: Domestic hubs including Charlotte, Dallas/Fort Worth, Miami, and Philadelphia.
3. American Eagle: Regional carrier for American Airlines.
4. JetBlue Airways: Additional flights from this terminal.
5. Southwest Airlines: Destinations including Chicago, Denver, Nashville, and Orlando.
6. United Airlines: Extensive domestic and international flights.

Terminal C

1. Delta Air Lines: Extensive domestic and international connections.
2. Delta Connection: Regional flights for Delta.
3. Frontier Airlines: Budget airline with national connections.
4. WestJet: Canadian destinations.

Terminal D

1. Delta Air Lines: Additional Delta flights.

Additional Notable Airlines

• Flexjet: Private jet services.
• NetJets: Private jet services.
• Tradewind Aviation: Small airline providing niche services.
• Alaska Airlines: Domestic flights to and from Alaska.
• All Nippon Airways: International flights.
• Avianca: Flights to and from Latin America.
• British Airways: Transatlantic flights.
• Emirates: Middle Eastern and international destinations.
• Etihad Airways: Middle Eastern destinations.
• KLM: European destinations.
• LATAM Airlines: South American destinations.