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Thread: Why do airlines use the same flight # for multiple segments?
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Old Aug 24, 2018 | 11:29 am
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bchandler02
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Purely a guess, but i'd suspect it is due to systems not being programmed for more than 4 digit flight numbers, and they need more than 9999. Similar to the Y2K bug.

(I absolutely hate this too, as well as when they change the flight # of the same flight just to cheat and reset their stats).
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