Delta is offering 5,000 bonus miles for each segment flown (up to 20K miles) for JFK-NRT or LAX-SYD itineraries booked by May 26, 2013 for travel through June 26, 2013 in BusinessElite. You can try to register for the promotion here, though the T&Cs state that it is targeted to select corporate travelers (full list below) who purchase tickets from their corporate travel department.
This promotion is valid only for tickets purchased through a corporate travel program with Delta Air Lines using one of the following ticket designators: XX4G7, XX84N, XX74G, XX54G, XX45G, XXN67, XXN27, XX8G9, XX85N, XX67G, XX54N, XX52G, XXN79, XX42G, XX4N9, XXG23, XX64G, XX7G2, XX83N, XX8N9, CQ143, XXN84, XXB26, XX5G6, XX4L6, CQHAL, CQICJ, CQKHI, CQMRB, CQMHU, CQMH8, XX3J9, CQMC3, CQMH7, CQMUF, CQMBB, CQMZG, XXT39, CQOTS, XX5J6, CQSHA, CQSNC, CQSMT, CQSMC, CQTOK, XX7J6, XX6J9, XX6G2, XX7J9, XX7J4, XX7J8, XX6J6, XX82N, XXG23.
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