Your United Airlines itinerary, whether emailed to you or accessed via the United app, contains your flight number. Look for a sequence of letters and numbers under the “Flight” section. If you can’t locate it, search your emails using keywords like “United” or “itinerary.” Still having trouble? Log into your United account online or reach out to their customer service for quick assistance.
Source: https://central.xero.com/s/question/0D58V00009Mpu1FSAR/where-do-i-find-my-flight-number-in-united
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