United Airlines plans to resume service on more than 25 international flights in September

United Airlines said it's going to resume service on more than 25 international routes in September. The Chicago-based carrier (Nasdaq: UAL) said it plans to fly 37% of its overall schedule in September as compared to the same period last year. United will adds flights to India, Asia, Israel, Australia and Latin America from Chicago, New York/Newark, Denver, San Francisco, Houston, Washington and Los Angeles. The airline said it's being cautious. "We continue to be realistic in our approach…