"The stock market is a device to transfer money from the impatient to the patient," Buffett once said. One in particular that stands out is Archer Aviation (ACHR 3.88%), a company that makes electric vertical takeoff and landing (eVTOL) aircraft, also called air taxis. Waiting for Archer to take offSince the company went public in 2021 and started trading at around $10 per share, Archer stock has lost value, currently trading at around $8.20 per share. Some tailwinds for ArcherThere are several reasons why Archer stock should start to move higher. That bodes well for Archer as it has an agreement to provide commercial operations for the UAE.