The departures and arrival of Frontier Airareatthe Terminal 1 ofFrontier Airlines SFO Terminal.Frontierisactually an ultra-low-cost carrier of the United States,offeringservicestomanydestinationcitiesinthatcountry.Allthe modern facilitations, whichinclude check-in counters, security checkpoints, good dining options and comfortable waiting space, are now available at SFO's Terminal 1-Harvey Milk Terminal.