European airlines on Wednesday were forced to again cancel hundreds of flights while experts say the ash cloud coverage from Grímsvötn is expected to soon dissipate.
Delta Air Lines on Thursday announced plans to buy 100 new 737-900ER aircraft from Boeing in a move to replace older aircraft in the carrier's fleet over the next seven years.
Australian airline Qantas on Monday resumed all its domestic and international flights after a court ordered an immediate end to all industrial action which left tens of thousands of people stranded.