Moderator: United Airlines
Join Date: Jun 2007
Location: SFO
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Posts: 66,821
The operating carrier is the responsible party -- who sold the ticket is of no importance. If the flight departure was in Canada, it will be governed by the regulations of Canada (even if it had been operated by UA which it appears it was not).
So neither UA or the US DOT regulations apply.
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Moderator Hat on
Will be glad to move this to the AC forum for you.
WineCountryUA
UA coModerator