What is the most profitable airline ever?

By company revenueDelta Air Lines is the largest by revenue, assets value and market capitalization.

What is the most successful airline of all time?

By company revenueDelta Air Lines is the largest by revenue, assets value and market capitalization.

What is the profit margin on airlines?

Profit margins in the U.S. airline industry are estimated at the domestic route level. Profit margins have an average of about 13.3% across routes. Profit margins range between 2.7% and 42.9% across routes. Profit margins increase with the market share of the largest airline serving the route.

Are airlines ever profitable?

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