The story you're looking for seems to be "Love & Other Flight Delays" by Denise Williams. This collection consists of three interconnected novellas: "The Love Connection," "The Missed Connection," and "The Sweetest Connection." The plot involves characters whose flights are delayed, leading them to miss their trains home for Christmas. Amidst these delays, they experience romantic encounters, including meeting their future spouses.
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In "The Missed Connection," specifically, the protagonist, whose flight is delayed, ends up missing her train. This delay leads her to meet a potential love interest on the platform, setting the stage for a heartwarming romance. The series explores themes of love, missed opportunities, and the serendipitous nature of life, all set against the backdrop of travel disruptions and holiday plans.