American, United and Southwest are all cutting ‘marginal routes’ as jet fuel prices spikeBusinessSep 18 at 5:04 PM – Sep 19 at 7:11 AM3 outletsDaily MailAmerican Airlines, United Airlines and Southwest AX flights as fuel costs soar Sep 19 at 1:05 AMBusiness InsiderGet ready for higher holiday airfares as airlines cut flights over high fuel costs Sep 19 at 7:11 AMFortuneAmerican, United and Southwest are all cutting ‘marginal routes’ as jet fuel prices spike Sep 18 at 5:04 PM