Seoul to Phoenix
12h 56mgate to gate
The flight from Incheon International Airport (ICN) to Phoenix Sky Harbor International Airport (PHX) covers 10,080 km (6,263 miles) and takes approximately 12h 56m gate to gate for a typical jet.
The route heads north-east on an initial great-circle bearing of 45°, passing near 55.5° N, 170.2° W at its midpoint.
Bearing 45° north-east Midpoint 55.5° N, 170.2° W Model 805 km/h + 25 min
SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026
How this is worked out
- Take both airports' published coordinates from OurAirports — nothing here is scraped from another flight site.
- Great-circle distance by haversine on a mean earth radius of 6,371.0088 km: 10,080 km.
- Airborne time = that distance ÷ 805 km/h, a representative jet cruise speed: 12h 31m.
- Add a flat 25 minutes for pushback, taxi, climb, descent and taxi-in — the reason a 400 km hop is never half an hour: 12h 56m gate to gate.
- Winds, aircraft type and airline schedule padding are not modelled. The cruise-speed table shows how much that assumption is worth.
10,080 km / 805 km/h = 12h 31m airborne
+ 25 min ground = 12h 56m gate to gate
SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026
The same route, plotted on a world grid
The strip above gives the route its length and its shape. This gives it a position: latitude and longitude only, no coastlines, because a hand-drawn coastline would be decoration pretending to be data. On a flat grid the shortest path looks bent; on a globe it is straight.
Flight time at different cruise speeds
Aircraft type, winds and routing all move the real number. This is the same distance flown at different speeds, plus the 25-minute ground and climb allowance.
| Typical of | Cruise speed | Airborne | Gate to gate |
|---|---|---|---|
| Turboprop / regional | 550 km/h | 18h 20m | 18h 45m |
| Narrowbody jet (A320, 737) | 780 km/h | 12h 55m | 13h 21m |
| Widebody jet (777, 787, A350) | 900 km/h | 11h 12m | 11h 37m |
| Private jet (Gulfstream) | 850 km/h | 11h 51m | 12h 17m |
Headwinds on an eastbound long-haul routinely add 30–60 minutes; the same route westbound can be quicker. Airlines publish schedules with padding built in.
SOURCE·OurAirports + great-circle computation·REVIEWED JUL 2026
Both airports
| ICN | PHX | |
|---|---|---|
| Airport | Incheon International Airport | Phoenix Sky Harbor International Airport |
| City | Seoul | Phoenix |
| Country | South Korea | United States |
| ICAO | RKSI | KPHX |
| Coordinates | 37.4691, 126.451 | 33.4353, -112.0059 |
| Elevation | 23 ft | 1,135 ft |
Every figure on this plate is geometry. The shape of the earth is knowable; the airline's schedule is not.
Questions this plate answers
How long is the flight from Seoul to Phoenix?
A non-stop flight from Seoul (ICN) to Phoenix (PHX) takes about 12h 56m. The great-circle distance is 10,080 km (6,263 miles, 5,443 nautical miles), flying north-east on an initial bearing of 45°.
How far is Seoul from Phoenix?
10,080 kilometres in a straight line over the earth's surface — 6,263 miles or 5,443 nautical miles. Actual flown distance is usually 2–5% longer because aircraft follow airways, avoid weather and route around restricted airspace.
Is there a non-stop flight between ICN and PHX?
This page calculates the direct-line time and distance; it does not track airline schedules. At 10,080 km the route is within reach of long-range widebodies, though not every city pair is served non-stop. Check an airline or booking site for what is actually scheduled.
What should I expect on a 12h 56m flight?
Anything past six hours is a long-haul flight: expect at least one meal service, a significant time-zone shift, and enough sitting that circulation and hydration start to matter. Cabin altitude, dry air and disrupted sleep do more damage to a training routine than the flight itself.
Airport coordinates from OurAirports (public domain). Distance is a great-circle calculation; flight time uses the model described on the method page. Flight times are great-circle estimates for planning only — always check the airline's published schedule.
