Ryanair Holdings’ RYAAY June 2021 traffic surged to 5.3 million guests from a mere 0.4 million in the year-ago period when air-travel demand hit rock bottom amid large-scale travel restrictions and rising coronavirus cases.The airline attributed the improvement in traffic to increased vaccinations in the European Union, which is in turn driving recovery in air-travel demand. Having operated more than 38,000 flights in June, the European low-cost carrier’s load factor (percentage of seats filled with passengers) was 72%.Ryanair’s June traffic figure represents a significant improvement from 1.8 million guests in May. The airline’s traffic in the first quarter of fiscal 2022 was 8.1 million with a load factor of 73%. In the first quarter of fiscal 2021, traffic was extremely tepid at 0.51 million.Ryanair Holdings PLC Price Ryanair Holdings PLC price | Ryanair Holdings PLC QuoteDespite this improvement, traffic continues to significantly lag the pre-pandemic (2019) levels. While first-quarter fiscal 2022 traffic has increased substantially from the fiscal 2021 figure, it is way below 41.8 million in the first quarter of fiscal 2020 (pre-pandemic).Zacks Rank & Key PicksRyanair carries a Zacks Rank #4 (Sell).Some better-ranked stocks in the broader Transportation sector are C.H. Robinson Worldwide CHRW, Expeditors International of Washington EXPD and ArcBest Corporation ARCB. While C.H. Robinson carries a Zacks Rank #2 (Buy), Expeditors and ArcBest sport a Zacks Rank #1 (Strong Buy) each. You can see the complete list of today’s Zacks #1 Rank stocks here.Shares of C.H. Robinson, Expeditors and ArcBest have rallied more than 16%, 65% and 100% in a year’s time, 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 Ryanair Holdings PLC (RYAAY): Free Stock Analysis Report C.H. Robinson Worldwide, Inc. (CHRW): Free Stock Analysis Report Expeditors International of Washington, Inc. (EXPD): Free Stock Analysis Report ArcBest Corporation (ARCB): Free Stock Analysis Report To read this article on Zacks.com click here.