Some airlines are reviving the Saturday-night stay requirement for their most inexpensive fares, writes Scott McCartney in The Wall Street Journal. He notes that the stay requirement is part of an effort to boost fares paid by business travelers. "Of course, the problem the industry has is that discount airlines continue to grow, and business travelers see them as a more-viable alternative as the price gap widens in fares," McCartney notes. "If big airlines run their prices up too high by making discounted tickets unavailable to business travelers, they risk losing customers."
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