Originally Posted by
adambrau
I booked JFK-SFO-NRT-SIN-NRT-SFO-JFK as a mileage run. Upgraded with a GPU and required 2 which seems normal. Then cancelled, booked JFK-SFO-NRT-SIN-HKG-SFO-JFK and it only took 1 GPU roundtrip - legit? Layover in Sin under 24 hours. UA metal.
Applied to the entire itin, Would have expected JFK....HKG would have been one. Typically with no true destination or stop, the city before the first repeated city breaks the GPU string.