WASHINGTON (Reuters) - A U.S. appeals court on Tuesday let stand a decision by the U.S. Export-Import Bank to finance the sale of 30 Boeing wide-body jets to Air India in a legal challenge brought by Delta Air Lines .

"I am gratified by the court's recognition that these transactions should not be impeded by litigation," Fred Hochberg, chairman and president of Ex-Im Bank, said in a statement after the ruling.

However, the court directed the government-run bank to better explain its rationale for the loans, which Delta claimed as a victory in its long-running spat with Ex-Im Bank.

(Reporting by Doug Palmer and Karen Jacobs; Editing by Will Dunham)

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