An American Airlines 737 and a Cessna 182 came within ... Last February, a FedEx 767 was cleared to land while a Southwest 737 was still on the runway at the Austin airport in foggy conditions.

Overall, the American Airlines mainline fleet has an average ... The 767s are made up of 39 Boeing 767-600s (now 28.7 years old on average) and 21 Boeing 767-400ERs (now 24.3 years old on average).