June 22 Southwest Airlines Co canceled
or delayed about 250 flights overnight and early on Saturday due
to a system-wide outage of computers used to dispatch aircraft,
said a spokeswoman for the airline.
The Dallas-based airline said 43 overnight flights were
canceled as a result of the outage, which began around 11 p.m.
EDT on Friday (0300 GMT on Saturday) and lasted until about 3
a.m. on Saturday (0700 GMT), said Southwest Airlines spokeswoman
Another 14 morning flights were canceled due to "flight crew
availability and aircraft positioning" after the outage ended,
Most of the cancellations affected routes in the western
United States, Agnew said. Flights that were already airborne
were not affected by the outage, while planes on the ground were
held back, she said, adding that the cause of the computer
failure was unknown.
Southwest, which operates some 3,400 flights daily, said in
a statement on its website that its "systems are working at full