If AB was picked up at Charlotte Douglas CLT Airport, the trip to Hickory took approx. 1 hr. 8mins to be booked at 3:15am. So I'm speculating AB got picked up by LE about 2AM or so.
Listed is closest airports and Douglas seems the most likely.
Closest Airports AIRPORTS NEAR CHARLOTTE DOUGLAS CLT AIRPORT
Charlotte Douglas CLT Airport
Charlotte, NC (0 miles).
Smith Reynolds INT Airport
Winston Salem, NC (74.2 miles).
Greenville Spartanburg GSP Airport
Greer, SC (76.4 miles).
Piedmont Triad GSO Airport
Greensboro, NC (82.4 miles).
Asheville Regional AVL Airport
Fletcher, NC (91.8 miles).
Florence Regional FLO Airport
Florence, SC (98.6 miles).
Columbia Metropolitian CAE Airport
Columbia, SC (115.4 miles).
Fayetteville Grannis Field FAY Airport
Fayetteville, NC (116.6 miles).
Raleigh-Durham RDU Airport
Raleigh, NC (127.8 miles).
Augusta Regional Bush Field AGS Airport
Augusta, Georgia, GA (141 miles).
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