Delta Air Lines has taken its interest in building loyalty among young business travelers to the corporate level. A relatively new, sometimes aggressive discount program targets up-and-coming midsize and tech businesses. It doesn't require marketshare or volume commitments to get started.

Sources said the deals run from 2 percent discounts off restricted coach to several more percentage points depending on the fare class and perceived long-term opportunity. Delta did not comment on requests for information sent this week and last.

Egencia director of client services Nathan Brooks . . .

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