Ford concludes one of its best years ever and said it anticipates a 'solid year' in 2014 despite lower margins.
American Airlines beat Wall Street estimates in reporting its first quarterly results following a December merger with US Airways.
So far it has been a relatively good year for Ford shareholders.
American potentially represents a white knight that could assist Alaska as it battles Delta's effort to establish a competing hub in Seattle.
United handily beats estimates as revenue rises 7.2%, but the carrier provides disappointing unit revenue guidance for the current quarter.
United continues to upgrade its facilities at SFO, where it will soon launch an ambitious venture - a non-stop flight to Chengdu, taking advantage of a unique hub and a unique aircraft, the Boeing 787.
American Airlines' merger with US Airways means Charlotte will become a OneWorld hub, but Star Alliance member Lufthansa says it will still provide daily Charlotte-Munich flights.
Delta shares are rising Tuesday after the carrier projected revenue gains, margin gains and slow cost growth.
Delta asks regulators to let it have more flexibility in serving Tokyo Haneda Airport, raising questions about its Seattle flight, while an analyst wonders whether American might want to grow in Seattle.
At Boeing, Alan Mulally oversaw intial development of the 787, an composite-based airplane that changed the world. At Ford, he is doing the same with a pickup truck.