Business: Sky Wars over North America

Paring fares for pairs

A corporate blow for economy—and togetherness. This week Eastern Air Lines, the aggressive carrier headed by ex-Astronaut Frank Borman, inaugurates a bargain fare that brings the concept of the fixed-price, go-anywhere Eurailpass to U.S. air travel. For no more than $323, a passenger can buy an "Unlimited Mileage" ticket that allows him up to 21 days of travel to any or all of 101 cities—excluding Canada—on Eastern's route map, which stretches from coast to coast and to Mexico City, Acapulco and twelve Caribbean islands. The only catch, aside from...