Eurofighters escorted a flight from Corfu; police found no danger after a temporary suspension of airport operations.
Cirium forecasts US$3.2 trillion in aircraft deliveries as production limits slow fleet growth and renewal.
Delta postpones its October 23 Riyadh launch as the airport closure extends and the FAA urges caution in Saudi airspace.
Join Ivan aboard SAS flight SK4490 to Longyearbyen, home to the world's northernmost airport with scheduled public flights.
Saudi authorities report 12 deaths and 309 injuries as Riyadh's airport closure continues into Sunday.
A global review of commercial flight
