Many Qatar Airways flights to and from Doha have had to make huge detours because of an airspace blockade by Saudi Arabia, Bahrain, the United Arab Emirates and Egypt.
It has been costly to the airline and disruptive to passengers.
Qatar's transport minister has made his government's case to the UN's International Civil Aviation Organization (ICAO), asking the global body to intervene.
The Saudi-led bloc of states cut diplomatic ties with Qatar on June 5 over allegations that it supports "extremism" and is too close to Iran - charges Doha has repeatedly denied.
Al Jazeera’s Daniel Lak reports from Montreal.
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