Yaser Alamoodi, a Saudi Arabian public relations executive, had his plans to holiday in Dubai during this month’s school vacation thwarted because he could not get a seat on a flight.

The aircraft were packed as tourists from Riyadh swarmed to an emirate they saw as immune to the kind of uprising that made it too dicey to go to their normal haunts.

Yaser Alamoodi, a Saudi Arabian public relations executive, had his plans to holiday in Dubai during this month’s school vacation thwarted because he could not get a seat on a flight.

The aircraft were packed as tourists from Riyadh swarmed to an emirate they saw as immune to the kind of uprising that made it too dicey to go to their normal haunts.