March 28, 2017 11:21 am A New ‘Frontier' From Philly to Puerto Rico Frontier Airlines announced Tuesday morning that it will begin flying between Philadelphia, Pennsylvania and San Juan, Puerto Rico beginning in June. US & World Videos 2:10 Trial for suspect in Bucks Co. murders may be delayed 1:56 Wednesday's Child: Jeffrey 0:26 Caught on cam: Man smashes Manayunk store window, steals purses 0:23 Funeral held for fallen NJ trooper 0:20 Fire burns through North Philly funeral home