ExpressJet Airlines was a regional airline in the United States that operated from 1987 until 2022. It was headquartered in College Park, Georgia. The company began as Britt Airways and flew exclusively as Continental Express, the contracted codeshare partner for Continental Airlines. The name was changed to ExpressJet at the beginning of 1995 as the company began acquiring Regional jets, replacing its fleet of turboprop aircraft. Along with flying as Continental Express, ExpressJet expanded flying under the Delta Connection brand from 2007 through 2008 and again from 2012 through 2018. Service as American Eagle was flown between 2012 and 2019 and service under the United Express brand began in 2009. ExpressJet also flew an independent operation under their own brand in 2007 through 2008. When Continental Airlines merged into United Airlines in 2012, the Continental Express operations were added to the United Express service. In September 2020, it exited the fee-for-departure airline market and temporarily ceased flights after the conclusion of its contract with its sole remaining mainline partner, United Airlines. In September 2021, ExpressJet resumed operations as both an air charter provider and a regional airline under its own brand aha!—short for "Air-Hotel-Adventure." The brand's route structure focused on the West Coast of the United States with a hub at Reno-Tahoe International Airport, and scheduled flights began on October 24, 2021. The airline, including its brand aha!, filed for bankruptcy on August 23, 2022, having ceased all operations the previous day. In July 2023, the airline announced plans to relaunch as an air charter service using a single leased Boeing 777.

College Park is a city in Fulton and Clayton counties, Georgia, United States, adjacent to the southern boundary of the city of Atlanta. As of the 2020 census, the population was 13,930.