<prompt> Gadzira shanduro yakaoma zvikuru yemutsara uyu Vanotakura vanosanganisira Horizon Airlines, Skywest Airlines inobhururuka seUnited Express uye Delta Connection uye Allegiant Airlines.  <response>: Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti Vatakuri vanosanganisira Horizon Airlines, Skywest Airlines inobhururuka seUnited Express uye Delta Connection uye Allegiant Airlines inopa basa rakananga kuPortland, Seattle, Salt Lake City, San Francisco, Las Vegas uye Mesa, Arizona. 