A Southwest flight performed a go-around to avoid "conflict with another aircraft" on Tuesday morning at Midway airport.
Midway air traffic control warned the private jet's pilot to hold position away from center runway 31 at least nine times.
The Federal Aviation Administration says the second plane, a business jet, entered the runway without authorization.
Video showed Southwest Flight 2504 nearly touching down on the runway before lifting off again to avoid a jet that entered the runway.
Pilot and former air traffic controller Rob Mark said what the Southwest pilot did was a textbook "perfect go-around." ...
A Southwest flight departing from Omaha on Tuesday morning had a close call with a private jet when attempting to land in ...
A Southwest flight departing from Omaha on Tuesday morning had a close call with a private jet when landing in Chicago.
Southwest Flight 2054 had to abort its landing around 9 a.m. Tuesday to avoid hitting a private jet that was crossing the runway.