1.   American is seeking U.S. antitrust immunity for its planned alliance with British Airways.

2.   American and BA said they weighed the benefits of antitrust immunity for Oneworld against ownership of the Heathrow slots.

3.   AMR Corp. Chairman Robert Crandall said last week he expects that his airline alliance proposal with British Airways eventually will win antitrust immunity from regulators.

4.   And the U.S. is adamant in its insistence that an open skies agreement is a precondition for U.S. antitrust immunity for a Delta-Air France marketing alliance.

5.   Antitrust immunity allows partner airlines to jointly set ticket prices and create schedules that complement each other.

6.   Antitrust immunity from pricing talks is key, though, for serious commercial alliances.

7.   Antitrust immunity allowed the Swiss national airline and its partners to discuss unified pricing and deepen their pact to boost revenue and cut costs as fare prices fall.

8.   Antitrust immunity for pricing talks is key for serious commercial alliances.

9.   Antitrust immunity can generate significant revenues for carriers, allowing them to coordinate pricing and discuss the number and types of aircraft needed to meet demand on particular routes.

10.   BA and American have not formally filed with U.S. officials for antitrust immunity consideration.