How long is the flight from Ontario to Portsmouth?

ONT–PSM is about 5h 32m nonstop, covering 4,133 km (2,568 mi).

Which airlines fly nonstop from Ontario to Portsmouth?

NetJets Aviation operates this route nonstop.

ONTPSM

Ontario International Airport (Ontario, United States) → Portsmouth International Airport at Pease (Portsmouth, United States)

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How long is the flight from Ontario to Portsmouth?: ONT–PSM is about 5h 32m nonstop, covering 4,133 km (2,568 mi).
Which airlines fly nonstop from Ontario to Portsmouth?: NetJets Aviation operates this route nonstop.