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SIA to DUC: distance & flight time
Xi\'AN (Xi'an Xiguan Airport) → Duncan (Halliburton Field)
7,368 mi
11,857 km · 6,402 nm
14h 55m
estimated nonstop flight time
-13h
time difference · heading northeast
See live SIA→DUC fares Phone-only fares on this route — call free
Flight time details
7,368 miles nonstop takes roughly 14h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- SIA — Xi'an Xiguan Airport · Xi\'AN, China
- DUC — Halliburton Field · Duncan, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SIA
- XIY · Xi'an Xianyang International Airport22 mi away
- AKA · Ankang Wulipu Airport116 mi away
- YCU · Yuncheng Guangong Airport120 mi away
- IQN · Qingyang Airport130 mi away
Near DUC
Frequently asked questions
How far is SIA from DUC?
The flight distance from Xi\'AN (SIA) to Duncan (DUC) is 7,368 miles (11,857 km, 6,402 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIA to DUC?
A nonstop flight takes about 14h 55m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Xi\'AN and Duncan?
Duncan is 13 hours behind Xi\'AN.
What is the cheapest way to fly from SIA to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIA–DUC that never appear on search engines, with no booking fees.