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Thread: Same flight number going and returning?
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Old Aug 14, 2021 | 12:52 pm
  #49  
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Originally Posted by jrl767
in the case of DL, I believe most codeshare numbers are in the 3000 series and up (save some AM flights which I think are in the 1000 series)

does DL even operate 2000+ mainline flights on a daily or almost-daily basis?
I think AM, AF, AZ, any codeshare flight from JFK T1 uses a 10xx codeshare number. (AM used to depart T1) Of course right now DL can't codeshare on AM , but that should change back soon.

It was part of scheme where DL used 4xx and 2xx to try and denote which terminal flight was from. Of course that quickly went away. A Terminal gate change would end up confusing passengers/staff.
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