United Airlines' second-quarter profit rose more than 20% over last year as strong demand for international travel boosted the carrier's results. Here's what United reported for the second quarter compared with what Wall Street expected, based on average estimates compiled by LSEG:Earnings per share: $4.14 adjusted vs. $3.93 expectedRevenue: $14.99 billion vs. $15.06 billion expectedUnited earned $1.32 billion, or $3.96 per share, in the three months ended June 30, up from $1.08 billion, or $3.24 per share, ...