Here are some additional factors that can affect the flight time:
* Departure and arrival airports: The specific departure and arrival airports within DFW and ICN can also influence the flight time, as they may be located at different distances from the runways.
* Layovers and stopovers: If the flight includes a layover or stopover at an intermediate airport, the total travel time will increase accordingly.
* Wind conditions: Tailwinds can help speed up the flight, while headwinds can slow it down.
* Aircraft type: Different aircraft types may have different cruising speeds, which can impact the flight time.
It is always a good idea to check with your specific airline or flight booking website for the most accurate and up-to-date information on the flight time between DFW and Seoul.