Delta Air Lines employees today received their portion of the company's $1.5 billion profit sharing earned in 2015 – the largest payout in the history of corporate profit sharing programs.

Individual payouts equal more than 21 percent of employees' eligible 2015 earnings.

To take record-setting one step further, the airline erected a 50-foot tall greeting card at the Delta General Offices, which included the names of every Delta employee – all 80,000 of them.

The airline also thanked employees with ad placements in U.S. newspapers, including The New York Times, Los Angeles Times and The Atlanta Journal-Constitution, among others.

Delta reported a historic adjusted pre-tax profit of $5.9 billion for 2015 and had an industry-leading year in operational excellence including a total of 161 days with zero mainline cancellations and an on-time rate of 85.9 percent.

In addition to profit sharing, Delta's Shared Rewards program pays out monthly bonuses for meeting corporate operational goals throughout the year.

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