OMA Ground Transportation

United Airlines, Inc. is a major American airline headquartered at the Willis Tower in Chicago, Illinois. United operates an extensive domestic and international route network across the United States and all six inhabited continents primarily out of its eight hubs, with Chicago-O'Hare having the largest number of daily flights and Denver carrying the most passengers in 2023. Regional service is operated by independent carriers under the brand name United Express.

Delta Air Lines is one of the major airlines of the United States and a legacy carrier headquartered in Atlanta, Georgia.1] The United States' oldest operating airline and the seventh oldest operating worldwide,[7] Delta along with its subsidiaries and regional affiliates, including Delta Connection, operates over 5,400 flights daily and serves 325 destinations in 52 countries on six continents.[8 Delta is a founding member of the SkyTeam airline alliance.[9] As of the end of 2022, it had 90,000 employees.[10]Delta has nine hubs, with Hartsfield-Jackson Atlanta International Airport being its largest in terms of total passengers and number of departures.[9] It is ranked second among the world's largest airlines by number of passenger