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It Just Got Harder to Hop Another Flight When Yours Is Grounded

Delta and American jettison a pact that allowed them to send passengers to each other in bad weather.
An Ohio-bound traveler waits at LaGuardia Airport in June 2009.
Photographer: Daniel Acker/Bloomberg

Two of the world’s three largest airlines, American and Delta, will no longer exchange passengers to help them reach their destinations in bad weather or during other disruptions. Delta wants more money from the larger airline than American is willing to pay.

The "interline" agreement between the two ends Sept. 15, although tickets already sold for trips beyond that date will be honored. Such agreements allow for multi-segment tickets on two airlines—for example, flying Delta from Atlanta to Los Angeles, then American from Los Angeles to Honolulu.