By Richard Horgan Los Angeles (Knewz) — As the summer travel season continues to roar, Delta Airlines pilots this week shared a brief letter that was the equivalent, basically, of “this is your captain speaking.” By far the most arresting part of the letter was the prediction that by this fall, Delta pilots will have racked up more overtime than for all of 2018 and 2019 combined. Up until this post-pandemic return to travel glory, those were the airline’s two busiest years. “We empathize and share in your frustration over the delays, cancellations and disrupted travel plans you’ve experienced,…