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Thread: When changing AA flights, how is "fare difference" calculated?
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Old Sep 30, 2016 | 3:51 am
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fishywang
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When changing AA flights, how is "fare difference" calculated?
I originally booked PEK-DFW-SFO (AA 262-2397) on 10/1 on fare code M (because that's the cheapest I can get 100% credit on AS). Now because of some passport issue I have to change that to 10/10. I changed to exact same flight and exact same fare class, but they still somehow calculated $600+ fare difference (and there doesn't include additional ~$250 change fee).

How does $600+ fare difference calculated? I thought for exact same flight and fare class, the fare difference should be minimal? Is that normal?
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