Northwest Airlines (NWAC), Delta Air Lines (DAL) and Continental Airlines (CAL) have a beneficial chance of avoiding a Chapter 11 filing, in that order, now that American Airlines (AMR) has reached a tentative labor pact to save $18 billion a year, according to Brian Harris of Salomon Smith Barney. He notes, however, that "important lingering issues" remain for American, including getting concessions from suppliers,