125 feet laterally/100 feet vertical separation. Good job on the evasive maneuvers.
avherald.com/h?article=42af43cf&opt=0
A Southwest Airlines Boeing 737-700, registration N242WN performing flight WN-1322 from Houston Hobby,TX to Baltimore,MD (USA) with 135 passengers and 5 crew, had been cleared for takeoff from Houston Hobby Airport’s runway 12R and had just rotated when the crew spotted a helicopter registration N6YJ ahead and above them and took evasive action, the helicopter crew reacted as well and took a sharp right turn away from the runway. Both aircraft completed their flights safely.