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Book United Airlines cheap flights to 300+ destinations worldwide on our official site. Find our most popular flight deals and earn MileagePlus® miles.

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Jun 3, 2025 · It’s often referred to as passenger “unit revenue” and reflects the revenue environment. PRASM is influenced by the things that we offer that are different from other …

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Flexible booking options Get more flexibility when you fly with our 24-hour booking policy and no change fees for most flights (including award travel).