There are three major airlines to consider: Star Alliance, SkyTeam, and Oneworld. These alliances provide you with a network of airline connectivity that enables you to reach thousands of destinations around the world. The benefits of airline alliances are quite extensive, including:
Greater flexibility in reaching your desired destination through a global flight network
Ease of connectivity between flights
Shared ticketing, check-in, baggage, and lounge facilities amongst alliance airlines
Earning/redeeming miles and/or points across alliance airlines
The Star Alliance Network consists of 28 airlines with 1,330 destinations servicing a total of 192 countries. As a member of this network, you will have access to over 1,000 airport lounges worldwide. However, with a Gold Elite membership, you receive additional benefits of extra bag allowance and priority check-in, boarding, baggage handling, reservation wait list, and airport standby. As a Silver Elite member, you enjoy the benefits of priority reservation wait list and airport standby.
For a complete list of airlines under Star Alliance: Click here
With SkyTeam, you will be able to travel with 20 airlines to 1,057 destinations, taking you to 179 countries worldwide. In embarking on one of 1,627 daily flights, you have access to a total of 636 lounges as a SkyTeam Elite Plus member or an international First and Business Class passenger. As a SkyTeam Elite or Elite Plus member, you may enjoy the benefits of extra bag allowance, preferred seating, and priority baggage handling, check-in, boarding, airport standby, and reservation list. Additionally, with a SkyTeam Elite Plus membership you are assured a confirmed Coach/Economy Class reservation when a flight is completely booked. Both members can earn and receive valuable Elite Qualification Miles on valid SkyTeam airline flights traveling all around the world. When booking your reservation, select which frequent flyer program in the SkyTeam alliance you would like to earn miles.
For a complete list of airlines under SkyTeam: Click here
Under Oneworld's alliance, you can travel to 6 different countries with 1,000 global destinations as you earn miles and points across all 15 member airlines. Luxuries include priority check-in and boarding, as well as access to 600 premium lounges. There are three tiers of Oneworld membership, consisting of Ruby, Sapphire, and Emerald memberships. As a Ruby member, you have access to business priority check-in, preferred seating, and priority status on wait lists and standby. If you choose to upgrade to a Sapphire membership, you may enjoy all of the aforementioned benefits as well as access to business class lounges, extra bag allowance, and priority boarding and baggage handling. The ultimate tier of membership, Emerald, includes all of the luxuries under Ruby and Sapphire with added fast track at security, first class priority check in, and access to first class lounges.