A letter from them released yesterday contends Emirates and other airlines have an unfair advantage over American air carriers because they receive state subsidies.
The group wants Trump to delay the scheduled Sunday commencement of the flight until his administration can negotiate a resolution with the airlines.
The leading American carriers say the subsidies allow the Gulf carriers to offer below-market fares, which could cost American jobs.
Emirates and other state-owned Gulf carriers deny accusations they focus on stripping market share and driving out competition.
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