American expects that revenue will remain strong but earnings will be weighed down by higher non-fuel costs. The stock has performed quite well of late -- up 60% in the last six months, even after Thursday's decline -- and analysts appear to have gotten ahead of operations.

American Airlines shares (AAL) tumbled Thursday, after the carrier predicted a bigger-than-expected quarterly loss. That outlook stood apart from rivals [United](

American Airlines shares tumbled almost 11 per cent in pre-market trading as fuel costs and mis-steps with corporate travellers prompted it to set a profit outlook more dour than its peers. The Fort Worth,