Like most other aviation calamities, the 583 people killed in 1977 when a KLM 747 struck a Pan Am 747 at Tenerife resulted not from a single error or failure, but from a chain of improbable errors and failures, together with a ...
A deal to exchange slots between Delta Air Lines and US Airways at airports in New York and Washington D.C. that at one point seemed dead in the water has come back to life.