Allegheny County Airport is served by 1 airline, flying from/to 4 destinationsLongest flight from Allegheny County Airport is Pittsburgh to 🇺🇸 Houston (SGR), which takes around 3 hours. On an airline like Netjets Aviation. More info on this flight route (AGC-SGR).Shortest flight from Allegheny County Airport is Pittsburgh to 🇺🇸 Philadelphia (PHL), which takes around 45 minutes. On an airline like Netjets Aviation. More info on this flight route (AGC-PHL).