The near miss happened when a pair of American Airlines planes under the same call call sign and on the same frequency spoke with the controller as one arrived into Phoenix and another was leaving.

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…