Air Berlin's potential absorption into Lufthansa may foreshadow fewer clean connections for American Airlines travelers heading to continental Europe, while United customers may see a benefit.
Oneworld makes a strong showing, and as American Airlines continues to grow, it would appear to offer the strongest product of any of the three alliances. The wild card, though, comes from the non-traditional alliances being built from the Gulf states.
Qatar Airways has landed big, and finally joins Oneworld, though some are questioning the long term viability of alliances as more airlines moves towards bilateral codeshare agreements.
IAG is trying to protect its transatlantic interests, especially if someone like Delta comes in with a bid and pries away AA from Oneworld into Skyteam.
CEO Doug Parker has done an excellent job lobbying for support for a US Airways/American merger -- even among current rivals and possible future oneworld alliance partners at British Airways.