Emirates Airline (Dubai) has warned Airbus that it will tolerate any A350 delays according to this published Aviation Week report.

www.aviationweek.com/aw/generic/story_channel.jsp?channel=comm&id=news/awx/2010/03/12/awx_03_12_2010_p0-212005.xml&headline=Emirates%20Warns%20Airbus%20Over%20More%20Delays