Says grounding of 787s (BA) had an impact on bottom line. Says 787 grounding disrupted flight plans. Expects domestic 787 flights in May. Says "disappointed" FAA chose the furlough path for air traffic controllers instead of choosing "less disruptive method" to comply with budget obligations. Calls FAA's actions "irresponsible". Sees Q2 consolidated capacity down 1.7%-2.7% y/y, FY capacity down 0.75%-1.75% vs. 2012. Sees April consolidated PRASM flat to down 1 point y/y. Sees Q2 CASM up 6.7%-7.7% y/y, FY CASM up 5.5%-6.5% y/y on lower capacity. Says expects to take delivery of six more new Boeing 737-900ERs and retire 12 mainline aircraft in Q2. Comments made on the Q1 earnings conference call.