ATL to IAH: Distance and Flight Time
The distance from Hartsfield Jackson Atlanta International Airport (ATL) to George Bush Intercontinental Airport (IAH) is 1,108 km (688 mi). A typical nonstop flight covers it in about 1h 55m, heading west. The distance is the same in either direction (IAH to ATL).
How far is it from Atlanta to Houston?
The great-circle distance between Hartsfield Jackson Atlanta International Airport (ATL) and George Bush Intercontinental Airport (IAH) is 1,108 km (688 mi, 598 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 ATL to IAH?
A nonstop flight typically takes about 1h 55m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. IAH is roughly west of ATL.
How is the ATL to IAH route written in code?
The pair is written ATL-IAH in IATA codes and KATL-KIAH in ICAO codes, the form used on a flight plan. Hartsfield Jackson Atlanta International Airport is ATL (KATL), George Bush Intercontinental Airport is IAH (KIAH).
| ATL | IAH | |
|---|---|---|
| Airport | Hartsfield Jackson Atlanta International Airport | George Bush Intercontinental Airport |
| ICAO code | KATL | KIAH |
| Country | United States | United States |
| Elevation | 1,026 ft | 97 ft |
| Rank by connections | #1 | #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 929 ft (283 m) lower than ATL, which is a real difference in air density on takeoff.
Airlines flying ATL to IAH
2 airlines appear on this route in the open route dataset, 2 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 |
|---|---|---|---|---|
| DL | Delta Air Lines | DAL | Delta | Active |
| QR | Qatar Airways | QTR | Qatari | Active |
A further 8 carriers sell this pair as a codeshare without operating it: AF, AZ, CA, CI, KL, UA, VA, VS.
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 Atlanta from Houston?
Hartsfield Jackson Atlanta International Airport (ATL) and George Bush Intercontinental Airport (IAH) are 1,108 km (688 mi, 598 nautical miles) apart in a straight line.
How long is the flight from ATL to IAH?
A typical nonstop flight between ATL and IAH takes about 1h 55m. Actual times vary with aircraft type, winds and routing.
What direction is IAH from ATL?
George Bush Intercontinental Airport (IAH) lies roughly west of Hartsfield Jackson Atlanta International Airport (ATL).
Which airlines fly ATL to IAH?
2 airlines appear on the ATL-IAH route in the open dataset, including Delta Air Lines, Qatar Airways.
Related routes
Other routes from Atlanta (ATL):
Other routes from Houston (IAH):
ATL airport code · IAH airport code · Busiest airports worldwide