An air traffic controller's quick thinking helped avert a dangerous situation when two jets, one landing in Phoenix and the other simultaneously taking off, shared the same flight number and radio frequency.

Potential disaster was averted when a Phoenix air traffic controller recognized two American Airlines jets mistakenly were flying the same flight number and acted quickly to avoid…

Potential disaster was averted when a Phoenix air traffic controller recognized two American Airlines jets mistakenly were flying the same flight number and acted quickly to avoid…