I am pretty sure it does, at least sometimes.
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送交者: ping_max 于 2007-09-13, 16:39:29:
回答: 记亿中从北京飞美国就不经北极,飞行时间好像也不一样. 由 cornbug 于 2007-09-13, 16:27:04:
I actually saw same airline taking two different courses at two different times
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