Spirit Airlines (NYSE:SAVE) posted an all-time bottom-line high for the fiscal year in its just-released fiscal Q4 and 2012 results. For the quarter, the company's operating revenue totaled $328 million, up nearly 20% from the same period the previous year. Net profit came in at $19.6 million ($0.27 per diluted share), against Q4 2011's bottom line of just under $24 million ($0.33).

For the full year, operating revenue advanced by 23% to $1.3 billion from 2011's $1.1 billion. Net profit notched an all-time record for the company at $108 million ($1.49 diluted EPS) for the year, which was a 42% improvement over the prior year's $76 million ($1.43).

In addition to posting that all-time-high bottom line, Spirit Airlines pointed out that 2012 represented its fourth consecutive year of profitability.

Fool contributor Eric Volkman has no position in Spirit Airlines. The Motley Fool owns shares of Spirit Airlines. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.