List of Airlines at (IAH) airport
The following is a list of airlines serving Houston George Bush airport (IAH)
Terminal A
Terminal A mainly handles domestic flights and some international services. Check-in counters are located on Level 2.
- Air Canada
- Alaska Airlines
- American Airlines
- Delta Air Lines
- Frontier Airlines (domestic and international flights)
- JetBlue
- Southwest Airlines
- Spirit Airlines
Terminal B
Terminal B is used exclusively by United Airlines for its United Express flights. Check-in is carried out on Level 2.
Terminal C
This terminal is one of United Airlines’ main bases for domestic flights. Check-in is located on Level 2.
Terminal D
Terminal D serves as the main gateway for most international airlines (except United). All check-in facilities are located on Level 2.
Latest updates: November 11, 2025
What do you have to arrange with the airline?
Many passengers do not know who to consult or make a claim to some doubts that arise before or after traveling, or any inconvenience that may occur.
Listed below are topics that need to be consulted, coordinated or resolved directly with the airline.
Check in procedure
Documentation and visa required
Baggage weight limits, restricted and prohibited Items
Baggage and excess billing rates
Requirements for minors traveling alone or without parents
Special passengers needing prior coordination with the airline: people with disabilities, reduced mobility and pregnant women
Lost, delayed or damaged baggage reclaim
Possible flight's changes of date or cancellations
Confirmation of flight schedules (departures or arrivals)
Flight status report (for possible delays, cancellations, rescheduling)
In case your airline reschedules your flight, coordinate with the company for possible compensation, due to extra nights accomodation, food, flight connection lost, etc.
Remember that it is always advisable to have a traveler's assistance insurance, in case the airline does not respond to any inconvenience that might happen (baggage lost or damaged, cancellation or flight delay, etc.)
Booking accommodation
General Information
Departures
Arrivals
Car Hire
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Transportation
Overnight Stay
Parking
Disabled Passengers
FAQs
Departures
Arrivals
Car Hire
Facilities and Lounges
Transportation
Overnight Stay
Parking
Disabled Passengers
FAQs
Arrivals
Car Hire
Facilities and Lounges
Transportation
Overnight Stay
Parking
Disabled Passengers
FAQs
Disabled Passengers
FAQs
FAQs
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