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IRB to DUC: distance & flight time
Iraan (Iraan Municipal Airport) → Duncan (Halliburton Field)
336 mi
541 km · 292 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading northeast
See live IRB→DUC fares Phone-only fares on this route — call free
Flight time details
336 miles nonstop takes roughly 1h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- IRB — Iraan Municipal Airport · Iraan, United States
- 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 mi away
Near DUC
Frequently asked questions
How far is IRB from DUC?
The flight distance from Iraan (IRB) to Duncan (DUC) is 336 miles (541 km, 292 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to DUC?
A nonstop flight takes about 1h 21m 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 cheapest way to fly from IRB to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–DUC that never appear on search engines, with no booking fees.