| AirlineId | AirlineAllianceId | MembershipType | JoinDate | QuitDate | SponsoredBy |
|---|---|---|---|---|---|
| Iberia | Oneworld | Member | 09/01/1999 | ||
| Iberia Regional | Oneworld | Member | 09/01/1999 | ||
| Iberia Express | Oneworld | Member | 09/01/1999 | ||
| Air New Zealand Link | Star Alliance | Member | 05/03/1999 | ||
| Air New Zealand | Star Alliance | Member | 05/03/1999 | ||
| American Airlines | Oneworld | Member | 02/01/1999 | Founder | |
| American Eagle | Oneworld | Member | 02/01/1999 | American Airlines | |
| American Airlines Shuttle | Oneworld | Member | 02/01/1999 | American Airlines | |
| British Airways | Oneworld | Member | 02/01/1999 | Founder | |
| BA CityFlyer | Oneworld | Member | 02/01/1999 | British Airways |