Time is running out to file a claim in the $458 million airline antitrust settlement (BW--Aug. 31). Everyone who has flown on nine airlines through 34 hubs from Jan. 1, 1988, to June 30, 1992, is eligible for reductions in future fares. Write Airlines Antitrust Litigation, P.O. Box 267, Pennsauken, N.J. 08110-0267. The deadline is Mar. 31.