This is a comparison of Quarter 1 (January, February, March) 2018 vs 2019 passengers stats of where people fly to/from SAT. These numbers are PDEW (Passengers Daily Each Way) to see which routes are growing/shrinking. Divide the number by 2, as it counts passengers flying XXX-SAT and SAT-XXX each day. These numbers are passengers final destinations, do not include connections ie if someone flies SAT-DFW-DCA, it does not count towards the passenger count of SAT-DFW, only SAT-DCA. To save time, I only compared airports with at least 100 PDEW to/from SAT.