Singapore Airlines (full year 2003/4)
Net income more than quadrupled to $477.9 million ($277.1m; £156m; €230m) from $111.3m a year earlier. Revenue rose 10% to $2.83 billion from $2.57bn.
The airline, which was badly hit by last year's outbreak of severe acute respiratory syndrome, said the outlook for 2004/05 is mixed.
The carrier said it filled 76% of its passenger capacity during the fourth quarter, up from 71.5% a year earlier.
British Airways (full year 2003/4)
Pre-tax profits rose from £135 million ($239m;€199m) last year to £230m.
The airline said a series of cost cutting measures, sacking staff, mothballing planes and axing some routes, had helped.
It predicts rising oil prices will increase costs by £150m in the next financial year.
Virgin Blue (full year 2003/4)
Sir Richard Branson's cut-price airline made A$159 million ($110m; €91.5; £62m) in net profit, a 47% increase from last year. Total revenue rose 49% to $1.36bn.
The Brisbane-based carrier, locked in competition with Qantas-owned budget airline Jetstar, is exploring expansion overseas.
Data compiled from multiple sources; additional content by WARC staff