▁and ▁May n ard ▁Jackson . ▁The ▁air port ▁has ▁ 1 9 2 ▁gates : ▁ 1 5 2 ▁domestic ▁and ▁ 4 0 ▁international . ▁A TL ▁covers ▁ 4 , 7 0 0 ▁acres ▁( 1 , 9 0 2   ha ) ▁of ▁land ▁and ▁has ▁five ▁parallel ▁run ways . ▁ ▁H arts field – Jack son ▁is ▁the ▁primary ▁hub ▁of ▁D elta ▁Air ▁L ines , ▁and ▁is ▁a ▁focus ▁city ▁for ▁low - cost ▁carri ers ▁Front ier ▁Airlines ▁and ▁South west ▁Airlines . ▁With ▁just ▁over ▁ 1 , 0 0 0 ▁fl ights ▁a ▁day ▁to ▁ 2 2 5 ▁domestic ▁and ▁international ▁destin ations , ▁the ▁D elta ▁hub ▁is ▁the ▁world ' s ▁largest ▁air line ▁hub . ▁In ▁addition ▁to ▁hosting ▁D elta ' s ▁corpor ate ▁headquarters , ▁H arts field – Jack son ▁is ▁also ▁the ▁home ▁of ▁D elta ' s ▁Techn ical ▁Oper ations ▁Center , ▁which ▁is ▁the ▁air line ' s ▁primary ▁maintenance , ▁repair ▁and ▁over ha ul ▁arm . ▁ ▁The ▁air port ▁has ▁international ▁service ▁within ▁North ▁America ▁and ▁to ▁South ▁America , ▁Central ▁America , ▁Europe , ▁Africa , ▁and ▁Asia . ▁As ▁an ▁international ▁gateway ▁to ▁the ▁United ▁States , ▁H arts field – Jack son ▁ranks ▁sevent h ▁in ▁international ▁passenger ▁traffic . ▁Many ▁of ▁the ▁nearly ▁one ▁million ▁annual ▁fl ights ▁are ▁domestic ▁fl ights ; ▁the ▁air port ▁is ▁a ▁major ▁hub ▁for ▁travel ▁in ▁the