United Airlines

United Airlines (UA) is a Full-Service airline based in USA, with its main hub at Chicago O'Hare, a member of Star Alliance. Browse seat maps, carry-on baggage rules, and fleet information.

Airline Information

IATA code: UA
Country: USA
Hub: Chicago O'Hare
Alliance: Star Alliance
Tier: Full-Service
Customer support: 1-800-864-8331