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Airline alliances — Star, oneworld, SkyTeam

Three global alliances cover most international long-haul traffic: Star Alliance (25 members), SkyTeam (19), and oneworld (13). Founded between 1997 and 2000, they each connect roughly 500–750 million passengers a year.

Updated 2026-06-015 min read
Primary sources · 4
  1. [1] Star Alliance — Member list25 member airlines as of 2024 · staralliance.com · Current https://www.staralliance.com/en/member-airlines
  2. [2] SkyTeam — Member airlines19 member airlines as of 2024 · skyteam.com · Current https://www.skyteam.com
  3. [3] oneworld — Member airlines13 member airlines as of 2024 · oneworld.com · Current https://www.oneworld.com/members
  4. [4] Star Alliance — Annual fact sheetCarrier-published statistics including daily flights, destinations, and combined passenger numbers · Star Alliance press portal · Annual https://www.staralliance.com

Three alliances together cover roughly 60 % of global airline seat capacity. They were founded between 1997 and 2000 with the original goal of letting frequent flyers earn and use status across multiple carriers; they have since become the operational backbone of nearly every long-haul connecting itinerary.

25 / 19 / 13
Star Alliance / SkyTeam / oneworld member counts (2024)
Alliance websites
≈ 750 M
Star Alliance annual passengers — largest of the three
Star Alliance fact sheet
1997
Year Star Alliance founded — the first global alliance
Star Alliance
≈ 60 %
Global seat-capacity share held by the three alliances combined
Industry analysis

The three alliances at a glance

The three global airline alliances, 2024 snapshot
AllianceFoundedMembersAnnual passengersDaily departures
Star Alliance199725≈ 750 M≈ 19,000
SkyTeamJune 200019≈ 624 M≈ 10,800
oneworld199913≈ 510 M≈ 13,000
Source: Alliance websites; carrier-published fact sheets

Star Alliance — the original

Star Alliance was founded in 1997 by Lufthansa, Air Canada, Thai Airways, SAS, and United Airlines as the first global airline alliance. It is still the largest, with 25 member airlines covering nearly every major international hub. Its largest members by revenue are Lufthansa Group, United, and Air China.

Star Alliance member airlines (2024)
AirlineCountryNotable hubs
Aegean AirlinesGreeceAthens (ATH)
Air CanadaCanadaToronto (YYZ), Montréal (YUL)
Air ChinaChinaBeijing (PEK), Shanghai (PVG)
Air IndiaIndiaDelhi (DEL), Mumbai (BOM)
Air New ZealandNew ZealandAuckland (AKL)
ANAJapanTokyo Haneda (HND), Narita (NRT)
Asiana AirlinesSouth KoreaSeoul Incheon (ICN)
AustrianAustriaVienna (VIE)
AviancaColombiaBogotá (BOG)
Brussels AirlinesBelgiumBrussels (BRU)
Copa AirlinesPanamaPanama City (PTY)
Croatia AirlinesCroatiaZagreb (ZAG)
EGYPTAIREgyptCairo (CAI)
Ethiopian AirlinesEthiopiaAddis Ababa (ADD)
EVA AirTaiwanTaipei Taoyuan (TPE)
LOT Polish AirlinesPolandWarsaw (WAW)
LufthansaGermanyFrankfurt (FRA), Munich (MUC)
SASScandinaviaCopenhagen (CPH), Stockholm (ARN), Oslo (OSL)
Singapore AirlinesSingaporeSingapore (SIN)
South African AirwaysSouth AfricaJohannesburg (JNB)
SWISSSwitzerlandZürich (ZRH)
TAP PortugalPortugalLisbon (LIS)
Thai AirwaysThailandBangkok (BKK)
Turkish AirlinesTürkiyeIstanbul (IST)
UnitedUnited StatesChicago (ORD), Houston (IAH), Newark (EWR)
Source: staralliance.com/en/member-airlines

oneworld — quality over count

oneworld is the smallest of the three by member count, with 13 carriers heavily skewed toward premium international service. It includes British Airways, Cathay Pacific, Qantas, Japan Airlines, and Qatar Airways — all top-tier brands. The alliance has actively rejected mass expansion in favour of maintaining a consistent on-board product across members.

oneworld member airlines (2024)
AirlineCountryNotable hubs
Alaska AirlinesUnited StatesSeattle (SEA), Anchorage (ANC)
American AirlinesUnited StatesDallas (DFW), Charlotte (CLT)
British AirwaysUnited KingdomLondon Heathrow (LHR)
Cathay PacificHong KongHong Kong (HKG)
FinnairFinlandHelsinki (HEL)
IberiaSpainMadrid (MAD)
Japan Airlines (JAL)JapanTokyo Haneda (HND), Narita (NRT)
Malaysia AirlinesMalaysiaKuala Lumpur (KUL)
Oman AirOmanMuscat (MCT)
QantasAustraliaSydney (SYD), Melbourne (MEL)
Qatar AirwaysQatarDoha (DOH)
Royal Air MarocMoroccoCasablanca (CMN)
Royal JordanianJordanAmman (AMM)
SriLankan AirlinesSri LankaColombo (CMB)
Source: oneworld.com/members

SkyTeam — the global east-west balance

SkyTeam was founded in June 2000 by Aeromexico, Air France, Delta, and Korean Air. It has expanded steadily to 19 members and runs particularly strong in Europe (KLM, Air France, ITA), East Asia (Korean Air, China Eastern, China Airlines), and Latin America (Aeroméxico). The alliance operates a coordinated frequent-flyer programme (SkyMiles via Delta is the largest single account base) and a shared lounge network at major hubs.

SkyTeam member airlines (2024)
AirlineCountryNotable hubs
Aerolíneas ArgentinasArgentinaBuenos Aires (EZE)
AeroméxicoMexicoMexico City (MEX)
Air EuropaSpainMadrid (MAD)
Air FranceFranceParis CDG (CDG)
China AirlinesTaiwanTaipei Taoyuan (TPE)
China Eastern AirlinesChinaShanghai (PVG)
Delta Air LinesUnited StatesAtlanta (ATL), Detroit (DTW)
Garuda IndonesiaIndonesiaJakarta (CGK)
ITA AirwaysItalyRome Fiumicino (FCO)
Kenya AirwaysKenyaNairobi (NBO)
KLMNetherlandsAmsterdam Schiphol (AMS)
Korean AirSouth KoreaSeoul Incheon (ICN)
Middle East AirlinesLebanonBeirut (BEY)
SaudiaSaudi ArabiaJeddah (JED), Riyadh (RUH)
TAROMRomaniaBucharest (OTP)
Vietnam AirlinesVietnamHanoi (HAN), Ho Chi Minh City (SGN)
Virgin AtlanticUnited KingdomLondon Heathrow (LHR)
XiamenAirChinaXiamen (XMN)
Czech Airlines (CSA)Czech RepublicPrague (PRG)
Source: skyteam.com

What being in an alliance gets you

Three benefits matter to passengers. Frequent-flyer reciprocity lets you earn miles in one programme on flights operated by any alliance member and redeem them across the alliance's network. Status reciprocity extends benefits (priority boarding, lounge access, extra baggage) when flying any alliance partner. Through-checked baggage and coordinated schedules simplify multi-airline itineraries that would otherwise require separate check-ins.

Frequently asked

Why aren't Ryanair or easyJet in any alliance?
Low-cost carriers historically have not joined alliances because their model relies on point-to-point routes, single-class cabins, and minimum service overhead. Reciprocal frequent-flyer earning and status benefits do not fit a no-frills product. Some LCCs partner bilaterally with full-service carriers (Ryanair × Aer Lingus, for example) but stay out of the global alliances.
Are Emirates and Etihad in an alliance?
No. Emirates has built its own global network anchored on Dubai and prefers bilateral partnerships (notably with Qantas). Etihad joined the Etihad Equity Alliance in 2014–2018 (Air Berlin, Alitalia, Jet Airways) but that collapsed; Etihad now runs bilateral partnerships only.
Do alliance airlines codeshare beyond their alliance?
Yes — codeshares can exist between airlines in different alliances or with non-alliance carriers. The alliance benefits (lounge access, status reciprocity, mileage earning) are usually alliance-only, but codeshare routing is more flexible.
Has any airline switched alliances?
Yes — most notably Continental Airlines moved from SkyTeam to Star Alliance in 2009 (in advance of its merger with United), and LATAM left oneworld in 2020 after Delta acquired a 20 % stake. Alliance membership is rebalanced as airlines merge, fail, or change partnerships.

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