Hawaiian Holdings, Inc.’s HA wholly owned subsidiary, Hawaiian Airlines, reported traffic figures for May. Traffic (measured in Revenue Passenger Miles or RPMs) increased 5.8% to around 1.53 billion.Available Seat Miles (ASMs) also climbed 4.1% to 1.75 billion in the month. Load factor (percentage of seats filled by passengers) improved 140 basis points (bps) to 87.3% as traffic growth outpaced capacity expansion.In the first five months of the year, Hawaiian Airlines witnessed a 3.4% rise in RPMs to 7.09 billion. Also, ASMs rose 3.2% to 8.3 billion. As a result, load factor inched up 20 bps to 85.5%. However, passenger count dipped 1.8% to 4.78 billion.Hawaiian Holdings, Inc. Price Hawaiian Holdings, Inc. price | Hawaiian Holdings, Inc. QuoteThe encouraging traffic report bears evidence of the carrier’s strong travel demand. To cater to this growing demand, the airline has been making consistent efforts to expand its network. To this end, last month, the carrier received Department of Transportation’s tentative approval to start a new flight connecting Honolulu and Haneda Airport. Notably, the carrier already has a substantial presence in Tokyo.Apart from this Zacks Rank #3 (Hold) company, other U.S. carriers like American Airlines AAL, Delta Air Lines DAL and United Continental Holdings UAL have also been granted a preliminary approval to add flights to Tokyo’s Haneda Airport. You can see the complete list of today’s Zacks #1 Rank (Strong Buy) stocks here.While Delta has been granted an approval to conduct flights from Atlanta, Seattle, Detroit, Portland and Honolulu to Haneda Airport, American Airlines has received a provisional approval to launch daily flights connecting Haneda Airport with Dallas Fort Worth in addition to a second daily flight to Los Angeles International Airport. Meanwhile, United Continental was tentatively awarded four slots.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 27 billion devices in just 3 years, creating a $1.7 trillion market.Zacks has just released a Special Report that spotlights this fast-emerging phenomenon and 6 tickers for taking advantage of it. If you don't buy now, you may kick yourself in 2020.Click here for the 6 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 American Airlines Group Inc. (AAL): Free Stock Analysis Report Delta Air Lines, Inc. (DAL): Free Stock Analysis Report United Continental Holdings, Inc. (UAL): Free Stock Analysis Report Hawaiian Holdings, Inc. (HA): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research