1.   But other carriers could face stiff competition from Virgin, analysts said.

2.   Carriers also face rising fuel costs and looming labor disputes that threaten to disrupt business this spring and summer.

3.   Historically, smaller carriers have often faced an uphill battle when starting service to a midsize city.

4.   However, the two carriers may face difficulties obtaining approval for an alliance from European regulators.

5.   Now carriers face a flood of cancellations from worried travellers, the risk of increased fuel costs and delays and disruptions from a massive increase in airport security.

6.   Recently, trade problems with Japan have resurfaced as U.S. officials imposed financial penalties on Japanese ships because of restrictions that foreign carriers face in Japanese ports.

7.   Still, he warned that the startup carriers still face substantial hurdles.

8.   The carrier faces turbulent skies in an increasingly competitive European market, he said.

9.   The carriers now face a crucial period of labor talks.

10.   The class is getting off the ground as carriers face a severe pilot shortage.