DFW to IAH: Distance and Flight Time
The distance from Dallas Fort Worth International Airport (DFW) to George Bush Intercontinental Airport (IAH) is 362 km (225 mi). A typical nonstop flight covers it in about 55m, heading southeast. The distance is the same in either direction (IAH to DFW).
How far is it from Dallas-Fort Worth to Houston?
The great-circle distance between Dallas Fort Worth International Airport (DFW) and George Bush Intercontinental Airport (IAH) is 362 km (225 mi, 195 nautical miles). That is the straight-line distance; a real flight is a little longer because of air-traffic routing.
How long is the flight from DFW to IAH?
A nonstop flight typically takes about 55m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. IAH is roughly southeast of DFW.
How is the DFW to IAH route written in code?
The pair is written DFW-IAH in IATA codes and KDFW-KIAH in ICAO codes, the form used on a flight plan. Dallas Fort Worth International Airport is DFW (KDFW), George Bush Intercontinental Airport is IAH (KIAH).
| DFW | IAH | |
|---|---|---|
| Airport | Dallas Fort Worth International Airport | George Bush Intercontinental Airport |
| ICAO code | KDFW | KIAH |
| Country | United States | United States |
| Elevation | 607 ft | 97 ft |
| Rank by connections | #8 | #49 |
Both ICAO codes start with K, the prefix ICAO assigns to the contiguous United States, so this is a route inside one ICAO region. How ICAO prefixes are laid out.
IAH sits 510 ft (155 m) lower than DFW, which is a real difference in air density on takeoff.
Airlines flying DFW to IAH
3 airlines appear on this route in the open route dataset, 3 of them still listed as active. Each row gives the IATA code, the ICAO code and the radio callsign, which is what an air traffic controller hears:
| IATA | Airline | ICAO | Callsign | Status |
|---|---|---|---|---|
| AA | American Airlines | AAL | American | Active |
| UA | United Airlines | UAL | United | Active |
| US | US Airways | USA | U S Air | Active |
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Frequently asked questions
How far is Dallas-Fort Worth from Houston?
Dallas Fort Worth International Airport (DFW) and George Bush Intercontinental Airport (IAH) are 362 km (225 mi, 195 nautical miles) apart in a straight line.
How long is the flight from DFW to IAH?
A typical nonstop flight between DFW and IAH takes about 55m. Actual times vary with aircraft type, winds and routing.
What direction is IAH from DFW?
George Bush Intercontinental Airport (IAH) lies roughly southeast of Dallas Fort Worth International Airport (DFW).
Which airlines fly DFW to IAH?
3 airlines appear on the DFW-IAH route in the open dataset, including American Airlines, United Airlines, US Airways.
Related routes
Other routes from Dallas-Fort Worth (DFW):
Other routes from Houston (IAH):
DFW airport code · IAH airport code · Busiest airports worldwide