United Airlines Conducts First Commercial Flight in U.S. Using Synthetic Jet Fuel United Airlines A319-131 N854UA (msn 1731) DCA (Bruce Drum) (UA conducts synthetic jet fuel test flight), originally uploaded by Airliners Gallery. United Airlines (Chicago) yesterday (April 30) conducted the first commercial flight in the U.S. using synthetic jet fuel. Please click on the photo for more information. Share this: Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on Reddit (Opens in new window) Reddit Share on Telegram (Opens in new window) Telegram Share on WhatsApp (Opens in new window) WhatsApp Like this:Like Loading...