Delta Air Lines' loss on GAAP for 2020 was $12.385 billion, against a profit of $4.767 billion in the previous year. Revenue fell 2.8 times to $17.095 billion from $47.007 billion a year earlier.
Delta Air Lines' loss on GAAP for 2020 was $12.385 billion, against a profit of $4.767 billion in the previous year. Revenue fell 2.8 times to $17.095 billion from $47.007 billion a year earlier. 
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