Is there a doctor on board? A woman gave birth on board a five-hour flight to Portland in a mid-air miracle on Friday night. Delta flight 478 was en route from Atlanta to Portland when a passenger went into labor, KPTV reported. A doctor and two nurses miraculously happened to be on board and jumped swiftly into action to successfully deliver the baby with the help of the flight attendants. A woman gave birth on board a 5-hour flight from Atlanta to Portland on Friday night. Tina Fritz “It was a once-in-a-lifetime experience, actually,” Oreong EMT Tina Fritz who helped deliver the infant told KOIN 6. Fritz was traveling with fellow Oreong EMT Caarin Powell and the pair quickly made do with limited supplies aboard the flight to help the laboring mom. “I asked for an OB kit, which they did not have. I asked for blankets, which they did not have. So I was like, okay, we need to get blankets from passengers.I need some shoestrings. So the flight attendant took his shoestring out, cut it for us,” Fritz said.…