Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model. NEW YORK ( TheStreet) -- Delta Air Lines (NYSE: DAL) hit a new 52-week high Thursday as it is currently trading at $17.06, above its previous 52-week high of $16.48 with 3.6 million shares traded as of 11:02 a.m. ET. Average volume has been 12.9 million shares over the past 30 days. Delta Air Lines has a market cap of $13.86 billion and is part of the services sector and transportation industry. Shares are up 39.3% year to date as of the close of trading on Wednesday. Delta Air Lines, Inc. provides scheduled air transportation for passengers and cargo in the United States and internationally. Its route network is centered around a system of hub and international gateway airports in Amsterdam, Atlanta, Cincinnati, Detroit, Memphis, Minneapolis-St. The company has a P/E ratio of 13.7, below the S&P 500 P/E ratio of 17.7.