FlightsMap of flight route between ORD and SEA, created by Paul Bogard’s Flight HistorianPaul Bogard’s Flight HistorianPaul Bogard’s Flight HistorianORD / KORDChicago (O’Hare)SEA / KSEASeattle/TacomaORD-SEAChicago (O’Hare) – Seattle/TacomaORD / KORDChicago (O’Hare)SEA / KSEASeattle/Tacoma