Compagnie principali per Pittsburgh

• Turkish Airlines
• Austrian Airlines
• Aer Lingus
• WestJet
• ANA
• KLM
• Royal Jordanian
• Frontier
• LOT
• American Airlines
• JAL
• Avianca
• Lufthansa
• Aeromexico
• Allegiant Air
• British Airways
• Emirates
• Brussels Airlines
• EL AL
• Air New Zealand
• Asiana Airlines
• Virgin Atlantic
• SAA
• Hawaiian Airlines
• Korean Air
• Iberia
• Cathay Pacific
• Qatar Airways
• China Eastern
• Alaska Airlines
• JetBlue
• China Southern
• Boutique Air
• Air China
• Copa Airlines
• Air France
• SAS
• Qantas Airways
• Alitalia
• Air Canada
• Ethiopian Air
• United Airlines
• SWISS
• Condor
• Spirit Airlines
• Southwest
• Southern Airways Express
• Gulf Air
• Icelandair
• China Airlines
• Delta
• Finnair
• TAP AIR PORTUGAL