2 doctors agreed: No: I know of no research that shows xenical can cause a false-positive drug test. All xenical does is block some of the fat from your diet from being absorbed, thus decreasing your calorie intake. This shouldn't cause either a urine or a blood drug test to become positive.
The total flight duration from New York, NY to Dominican Republic is 3 hours, 31 minutes. This assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots. It also adds an extra 30 minutes for take-off and landing.
The calculation of flight time is based on the straight line flight distance from Dallas, TX to Punta Cana, Dominican Republic (as the crow flies), which is about 2,017 miles or 3â246 kilometers. Your trip begins in Dallas, Texas. It ends in Punta Cana, Dominican Republic.