Even though it had grown larger than a strictly regional airline, Mile High Airlines’ route structure was uncomplicated. Denver was it: their one maintenance base; their only base for pilots and flight attendants; the home of the bare bones, concrete-floor suburban training center and the glitzy, marble-floor downtown high-rise HQ. Nearly every Mile High flight departed from or returned to the Denver International Airport. Some trips were very straightforward—work one leg to New York or Boston or Florida, turn around and work one leg back—but if shorter flights were involved, there was a lot of back-and-forth and more up-and-down. Work to Omaha, come back to Denver, then work to Albuquerque and stay the night. Back to Denver the next day, then go to Wichita, then back, then go to Las Vegas
