a passenger plane coming in for a landing on the wrong runway. another plane sitting right there in its path. here's abc's david kerley tonight. >> reporter: the apparent close call at jfk this afternoon. when the pilots of a mexican jetliner, lined up to land on the wrong runway. a runway a delta jet was readying to take off from, the pilot of the commuter jet sees a bigger plane coming right at him. >> looks like a plane on final. >> yeah, i see that. um. 4231, cancel takeoff clearance. >> reporter: it was cleared to land on runway 13 left, but the pilots of the jetliner lined up to 13 right which is about 10,000 feet to the south. that's where the delta jet. was already rolling to take off. >> polaris 880, you're lining up for 1-3-right. ch -- [ beep ] to your left, make a left turn, you're lining up for the wrong runway. >> go around. polaris 880. >> polaris 880, go around, turn left.