Founded
1926
Fleet Size
917 aircraft
Destinations
342+
Main Hubs
ORD, EWR, IAH
About United Airlines
United Airlines is a major American airline headquartered in Chicago and a founding member of Star Alliance. It is the third-largest airline in the world by revenue and operates one of the most extensive international networks of any U.S. carrier.
Hub Airports
ORD
Hub Airport
EWR
Hub Airport
IAH
Hub Airport
SFO
Hub Airport
DEN
Hub Airport
LAX
Hub Airport
IAD
Hub Airport
GUM
Hub Airport
Alliance Membership
⭐
Star Alliance
Global airline alliance member
As a member of Star Alliance, United Airlines passengers benefit from reciprocal frequent flyer points, lounge access, and seamless connections with all alliance partners worldwide.
Key Facts
IATA CodeUA
ICAO CodeUAL
CountryUnited States
RegionNorth America
HeadquartersChicago, Illinois
Year Founded1926
Fleet Size917 aircraft
Destinations Served342+ worldwide
AllianceStar Alliance
Official Websiteunited.com
Policies & Information
Carry-on Bag
Pieces allowed1
Max weightNo weight limit
Max size56 × 35 × 22 cm
FeeFree
Personal Item
AllowedYes
Max size40 × 30 × 15 cm
Checked — Economy
Pieces1
Weight23 kg (50 lb)
FeeFirst bag $35–$40, second bag $45–$50 (domestic); included on international routes
Checked — Business
Pieces2
Weight32 kg (70 lb) each
FeeIncluded
Checked — First
Pieces3
Weight32 kg (70 lb) each
FeeIncluded
Overweight / Oversize
Overweight fee$100–$200 per bag (23–32 kg); not accepted above 32 kg
Oversize fee$150–$200 per bag if linear dimensions exceed 158 cm
Quick Policy Snapshot
Carry-on feeFree
1st checked bagFirst bag $35–$40, second bag $45–$50 (domestic)
Change fee$0 for Economy and above (excluding Basic Economy) on all routes
24-hr cancellationYes
Name changes Yes
Online check-in24 hours before departure
Primary Hubs
ORD
EWR
IAH
SFO
DEN
LAX
IAD
GUM