The departing aircraft was identified as Southwest Flight 1152. Both flight crews responded to onboard traffic alerts, the FAA said, helping the planes avoid a potential midair conflict. The departing aircraft, Southwest Flight 1152, was identified by the FAA. Both flight crews responded in a timely manner to onboard traffic alerts. This helped the planes avoid a midair collision. The pilots of Southwest Flight 507 complied with air traffic control instructions and an onboard alert to avoid conflicting Southwest Flight 1152 which was departing another runway. Flight 507 landed in Nashville without incident, while Flight 1152 continued to its destination of Knoxville, Tennessee. The incident was not reported. FlightRadar24 reports that the planes were as close as 500 feet apart, with one plane flying over the other. This would meet the official definition of a mid-air collision.
