American Airlines Group Inc. AAL extended its long-term partnership with travel technology company Fareportal by signing a five-year agreement.The agreement underlines Fareportal’s role in supporting the airline's new Main Plus offer. American Airlines’ Main Plus tickets include complimentary access to Main Cabin Extra, preferred seating if available, preferred Group 5 boarding and an additional free checked bag.Fareportal is an online platform which provides airlines with a wide customer base that books international and domestic flight, hotel and other travel and add-on ancillaries. The company has been in partnership with American Airlines since 2012.American Airlines Group Inc. Price American Airlines Group Inc. price | American Airlines Group Inc. Quote After a tough 2020, recovery in air-travel demand is accelerating this year as more people are getting vaccinated. Evidently, the Transportation Security Administration (TSA) screened 1.5 million passengers on Mar 21, the highest in a year. Moreover, passenger numbers have consistently been above the 1 million mark over the past couple of weeks. In such a scenario, American Airlines’ extension of its partnership with Fareportal is a prudent one.Zacks Rank & Key PicksAmerican Airlines carries a Zacks Rank #4 (Sell).Some better-ranked stocks in the broader Transportation sector are ArcBest Corp. ARCB, Saia, Inc. SAIA and Navios Maritime Partners LP NMM. While Navios Maritime sports a Zacks Rank #1 (Strong Buy), ArcBest and Saia carry a Zacks Rank #2 (Buy). You can see the complete list of today’s Zacks #1 Rank stocks here.Shares of ArcBest, Saia and Navios Maritime have rallied more than 100%, 65% and 300% in the past six months, respectively.Zacks Names “Single Best Pick to Double”From thousands of stocks, 5 Zacks experts each have chosen their favorite to skyrocket +100% or more in months to come. From those 5, Director of Research Sheraz Mian hand-picks one to have the most explosive upside of all.You know this company from its past glory days, but few would expect that it’s poised for a monster turnaround. Fresh from a successful repositioning and flush with A-list celeb endorsements, it could rival or surpass other recent Zacks’ Stocks Set to Double like Boston Beer Company which shot up +143.0% in a little more than 9 months and Nvidia which boomed +175.9% in one year.Free: See Our Top Stock and 4 Runners Up >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report American Airlines Group Inc. (AAL): Get Free Report ArcBest Corporation (ARCB): Free Stock Analysis Report Saia, Inc. (SAIA): Free Stock Analysis Report Navios Maritime Partners LP (NMM): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research