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Aerolitoral, S.A. de C.V., DBA Aeroméxico Connect, and formerly known as Aerolitoral, is the regional airline of Aeroméxico operating Embraer E-190 aircraft, with crew bases in Mexico City and Monterrey. It is headquartered in Monterrey. It operates feeder services to AeroMéxico's hub airports, using four-digit flight numbers. It is considered the biggest and most important regional airline in Mexico, offering more than 300 scheduled flights daily to 43 destinations in Mexico, 11 in the United States, five in Central America, and two in the Caribbean. Its main bases are Guadalajara, Mexico City, and Monterrey. Aeromexico Connect flights are marketed as Aeromexico.

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Air Canada Express is a brand name under which Jazz Aviation operates feeder flights for Air Canada. They primarily connect smaller cities with Air Canada's domestic hub airports and focus cities, although they offer some point-to-point and international service; for example, direct service from Toronto (YYZ) to Boston (BOS).

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American Airlines Shuttle is the brand name for American Airlines' hourly air shuttle service operating in the Northeastern United States. It serves Logan International Airport in Boston, LaGuardia Airport in New York City, Ronald Reagan Washington National Airport in Washington, D.C., and O'Hare International Airport in Chicago.

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Flybe, styled as flybe, was a British airline based in Exeter, England. Until its sale to Connect Airways in 2019, it was the largest independent regional airline in Europe. Flybe once provided more than half of UK domestic flights outside London.

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Go!Express was the brand name for the regional airline service of go!, rather than a certificated airline carrier. Mokulele Airlines was the sole operator of Go!Express between April 17, 2007 and March 24, 2009, when their contract was canceled due to Mokulele's partnership with Shuttle America. On the same day, Go! began selling flights operated by Island Air as Go!Express. Rather than using dedicated aircraft on flights sold exclusively as Go!Express, Island Air's Go!Express service was provided by the carrier's existing flights and aircraft.

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Jazz Aviation LP, commonly shortened to Jazz, is a Canadian regional airline based at Halifax Stanfield International Airport in Enfield, Halifax Regional Municipality, Nova Scotia, and is a wholly owned subsidiary of Chorus Aviation. Jazz Aviation provides regional and charter airline services in Canada and the United States, primarily under contract to Air Canada using the brand name Air Canada Express, and also as Jazz Charters.

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WestJet Encore is a Canadian regional airline headquartered in Calgary, Alberta that operates feeder flights for WestJet, owned by the same parent company WestJet Airlines, Ltd. In response to internal market studies about future growth limitations by WestJet Airlines operating only Boeing 737 aircraft, WestJet Encore was formed in 2013 to allow increased frequency of flights by using smaller aircraft, as well as to expand service to routes with less traffic.