Key Takeaways LUV and AAL face soft travel demand, rising labor costs and mixed revenue outlooks, clouding Q3 results.UNP and NSC show negative Earnings ESP and weak Zacks Ranks, signaling likely Q3 earnings miss.Sector challenges such as freight slowdown, inflation, and geopolitical risks persist amid lower fuel prices.The widely diversified Zacks Transportation sector continues to navigate through a challenging macroeconomic environment. The sector grapples with multiple headwinds, ranging from escalated ...