Expeditors International of Washington’s EXPD first-quarter 2021 earnings of $1.67 per share surpassed the Zacks Consensus Estimate of $1 and also skyrocketed more than 100% on a year-over-year basis. Results were aided by higher revenues. Also, the top line rose 76.5% year over year to $3,357.5 million and surpassed the Zacks Consensus Estimate of $2,405.4 million as well. Uptick in airfreight revenues boosted the top line.In the quarter under review, volumes pertaining to both airfreight tonnage and ocean containers increased 29% year over year. Operating income jumped above 100% to $386 million in the first quarter on the back of better revenues. Total operating expenses escalated 70.5% $2.97 billion.During the March quarter, this currently Zacks Rank #2 (Buy) company repurchased 0.9 million of common stock at an average price of $92.98 per share. It exited the first quarter of 2021 with cash and cash equivalents of $1.79 billion compared with $1.53 million at the end of 2020.You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.Expeditors International of Washington, Inc. Price, Consensus and EPS Surprise Expeditors International of Washington, Inc. price-consensus-eps-surprise-chart | Expeditors International of Washington, Inc. QuoteSegmental HighlightsAirfreight Services revenues soared more than 100% year over year to $1,476.96 million in the first quarter. Ocean Freight and Ocean Services revenues surged 94.2% to $958.18 million. Moreover, Customs Brokerage and Other Services revenues climbed 31.9% year over year to $922.4 million.Sectorial SnapshotsLet’s glance through some of the other recently-released earnings reports from companies within the Zacks Transportation sector.Canadian National Railway Co. CNI reported first-quarter 2021 earnings (excluding 11 cents from non-recurring items) of 97 cents per share (C$1.23), missing the Zacks Consensus Estimate of 99 cents. Quarterly revenues of $2,791.6 million (C$3,535 million) also lagged the Zacks Consensus Estimate of $2,813.1 million.Landstar System LSTR reported first-quarter 2021 earnings of $2.01 per share, surpassing the Zacks Consensus Estimate of $1.61. Additionally, revenues of $1,287.5 million outperformed the Zacks Consensus Estimate of $1,142.5 million.Southwest Airlines LUV incurred a loss of $1.72 per share (excluding $1.91 from non-recurring items) in the first quarter of 2021, narrower than the Zacks Consensus Estimate of a loss of $1.82. Moreover, operating revenues of $2,052 million surpassed the Zacks Consensus Estimate of $2,031.7 million.More Stock News: This Is Bigger than the iPhone!It could become the mother of all technological revolutions. Apple sold a mere 1 billion iPhones in 10 years but a new breakthrough is expected to generate more than 77 billion devices by 2025, creating a $1.3 trillion market.Zacks has just released a Special Report that spotlights this fast-emerging phenomenon and 4 tickers for taking advantage of it. If you don't buy now, you may kick yourself in 2022.Click here for the 4 trades >> 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 Southwest Airlines Co. (LUV): Free Stock Analysis Report Canadian National Railway Company (CNI): Free Stock Analysis Report Expeditors International of Washington, Inc. (EXPD): Free Stock Analysis Report Landstar System, Inc. (LSTR): Free Stock Analysis Report To read this article on Zacks.com click here.