FlyerTalk Forums - View Single Post - AA History: Oldest Flight with Unchanged Flight Number
Old Jul 23, 2019 | 2:23 pm
  #9  
dayone
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I agree that AA 1 is probably the winner. AA 50/51 (DFW<->LHR) has been around since the early 80s, although it was originally to LGW.

When AA added four-digit flight numbers, some long-time flight numbers were changed.
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