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Piedmont Airlines independently operated for TWA on following flights to connect TWA domestic and international service:
New York JFK to Charlotte (KCLT) / Greensboro (KGSO) / Richmond (KRIC) / Raleigh-Durham (KRDU), Norfolk (KORF), Syracuse (KSYR), Rochester (KROC), Dayton (KDAY), Harford/Springfield (KBDL) and Buffalo (KBUF)
Flights operated by Piedmont Boeing 727-200 with 189 Economy Class Seats or Boeing 737-200 with 125 Economy Seats
The above serivces later transferred to USAir after Piedmonts merger with USAir.