The 3 largest alliances are the Star Alliance, SkyTeam and Oneworld.
Benefits for the traveler:
- Lower prices due to lowered operational costs/route.
- More departure times to choose/route.
- Shorter travel times as a result of optimised transfers.
- Mileage rewards - earning miles for a single account on several different carriers.
Disadvantages for the traveler:
- Higher prices when all competition is erased on a certain route.
- Less frequent flights.

Star Alliance: 965 airports in 162 countries
- Adria Airways (JP)
- Air Canada (AC)
- Air China (CA)
- Air New Zealand (NZ)
- ANA (NH)
- Asiana Airlines (OZ)
- Austrian Airlines (OS)
- Blue1 (KF)
- BMI (BD)
- Croatia Airlines (OU)
- LOT Polish Airlines (LO)
- Lufthansa (LH)
- SAS (SK)
- Shanghai Airlines (FM)
- Singapore Airlines (SQ)
- South African Airways (SA)
- Spanair (JK)
- Swiss International Air Lines (LX)
- TAP Portugal (TP)
- Thai Airways International (TG)
- Turkish Airlines (TR)
- United Airlines (UA)
- US Airways (US)   Star Alliance website
SkyTeam: 841 Destinations, 428 mil/passengers/year
- Aeroflot (SU)
- Aeroméxico (AM)
- Air Europa (UX)
- Air France (AF)
- Alitalia (AZ)
- China Southern (CZ)
- Continental (CO)
- Copa Airlines (CM)
- Czech Airlines (OK)
- Delta (DL)
- Kenya Airways (KQ)
- KLM (KL)
- Korean Air (KE)
- Northwest (NW)   SkyTeam website
Oneworld: 692 Destinations, 320 mil/passengers/year
- American Airlines (AA)
- British Airways (BA)
- Cathay Pacific (CX)
- Finnair (AY)
- Iberia (IB)
- Japan Airlines (JAL)
- LAN (LA)
- Malév (MA)
- Qantas (QF)
- Royal Jordanian (RJ)   Oneworld website

CORPORATE IDENTITY
1. Austrian Airlines Group: Tyrolean, Austrian, Lauda, Rheintalflug
2. British Airways Franchises: British Mediterranean Airways, Comair (South Africa), GB Airways, Loganair, Sun-Air of Scandinavia
3. China Southern Airlines Company:  Xiamen Airlines Company Limited, Southern Airlines Group Shantou Airlines Company Limited, Guangxi Airlines Company Limited, Zhuhai Airlines Company Limited and Guizhou Airlines Company Limited
4. Farnair Eurpoe: Farnair Hungary, Farnair Switzerland
5. Groupo Taca: Aviateca, LACSA, NICA, TACA, TACA Peru
6. Mesa Air Group: America West Express, DElta Connection, Mesa Airlines, United Express, US Airways Express
7. SN Brussels: Sabena, DAT
8. TACA Regional: Airlines Aeroperlas, Inter, Islena, La Costena, Sansa
9. Westlink: Abelag Aviation, Sky Service, Prest'Affair

WOW Cargo Alliance is a global cargo alliance between Lufthansa Cargo, SAS Cargo Group, Singapore Airlines Cargo and JAL Cargo.

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