| AirlineId | AirlineAllianceId | MembershipType | JoinDate | QuitDate | SponsoredBy |
|---|---|---|---|---|---|
| Air Europa | SkyTeam | Member | 09/04/2007 | ||
| Air China | Star Alliance | Member | 12/12/2007 | ||
| Aero Airlines | Oneworld | Member | 01/01/2002 | 01/01/2008 | |
| Aegean Airlines | Star Alliance | Member | 06/30/2010 | ||
| Aer Lingus | Oneworld | Member | 06/01/2000 | 04/01/2007 | |
| Adria Airways | Star Alliance | Member | 11/18/2004 | ||
| Aerolíneas Argentinas | SkyTeam | Member | 08/29/2012 | ||
| Aeroméxico Connect | SkyTeam | Member | 06/22/2000 | ||
| Aeroméxico | SkyTeam | Member | 06/22/2000 | ||
| Aerolitoral | SkyTeam | Member | 06/22/2000 | 01/01/2007 |