Chicago O'Hare International Airport American Airlines marks 70 years of firsts at Chicago O’Hare with heritage livery Boeing 737 aircraft News American Airlines marks 70 years of firsts at Chicago O’Hare with heritage livery Boeing 737 aircraft American Airlines October 30, 2025 United Airlines first carrier to use SAF at Chicago O’Hare News United Airlines first carrier to use SAF at Chicago O’Hare Chicago O'Hare International Airport August 1, 2024
