(Dollars of Profit or Loss per Enplanement)
| 1Q 2006 Rank | Low-Cost Carriers | 1Q 2001 | 1Q 2002 | 1Q 2003 | 1Q 2004 | 1Q 2005 | 1Q 2006 | Change 1Q 2001-1Q 2006 |
|---|---|---|---|---|---|---|---|---|
| 1 | America West | −4.96 | −19.13 | −10.34 | 3.25 | 9.84 | 16.28 | 21.24 |
| 2 | Southwest | 11.71 | 2.98 | 2.65 | 2.55 | 5.36 | 4.45 | −7.26 |
| 3 | AirTran | 8.57 | −1.36 | 3.28 | 3.46 | −2.65 | −1.00 | −9.57 |
| 4 | Frontier | 13.87 | 7.98 | −17.11 | −9.57 | −1.83 | −4.33 | −18.20 |
| 5 | JetBlue | 13.70 | 20.01 | 17.32 | 12.42 | 7.62 | −5.76 | −19.46 |
| 6 | Spirit | 7.58 | 4.42 | 1.19 | 2.24 | −4.17 | −8.48 | −16.06 |
| 7 | ATA | −0.38 | 3.86 | 1.58 | −10.81 | −27.90 | −33.58 | −33.20 |
| 7-Carrier Average | 7.79 | 0.19 | 0.95 | 1.97 | 3.33 | 2.75 | −5.04 |
Source: Bureau of Transportation Statistics, Form 41 Airline Financial Data and T-100 Market Data.