PHL - Philadelphia International Airport, Philadelphia (PA)
PIT - Pittsburgh International Airport, Pittsburgh (PA)
MDT - Harrisburg International Airport, Harrisburg (PA)
ABE - Lehigh Valley International Airport (Allentown-Bethlehem), Allentown Lehigh (PA)
AVP - Wilkes-Barre/Scranton International Airport, Scranton/Wilkes-Barre (PA)
SCE - University Park Airport, State College (PA)
ERI - Erie International Airport, Erie (PA)
IPT - Williamsport Regional Airport, Williamsport (PA)
LBE - Arnold Palmer Regional Airport (Westmoreland), Latrobe (PA)
LNS - Lancaster Airport, Lancaster (PA)
AOO - Altoona-Blair County Airport, Martinsburg (PA)
JST - Johnstown-Cambria County Airport, Johnstown (PA)
DUJ - DuBois Regional Airport (Jefferson County), Dubois (PA)
BFD - Bradford Regional Airport, Bradford (PA)
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