FlyerTalk Forums - View Single Post - TIL AA won’t honor JetBlue military leisure baggage allowance
Old Feb 17, 2023 | 1:42 am
  #4  
some dude
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For international itineraries, it is supposed to be governed by the IATA Most Significant Carrier rule:
https://www.airnewzealand.com/most-significant-carrier
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