Which of the following correctly represents the evolution of Delta Air Lines' logo colors throughout its history?

Test your knowledge about how transportation brands have evolved over time! The airline industry has seen significant brand transformations as companies adapt to changing markets and customer expectations. This poll explores how one major carrier's visual identity has changed through its history - can you identify the correct evolution of their logo? Understanding brand evolution helps reveal how transportation companies position themselves in competitive markets.

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Red and blue → Red, white, and blue → Blue and red triangle → Red widget with blue text
Green and yellow → Blue and red → Red triangle with blue text → Blue widget with red text
Blue and gold → Red, white, and blue → Blue triangle with red outline → Blue widget with red text
Red and white → Blue and red → Red widget with blue text → Blue triangle with red outline