ATL to STL: Distance and Flight Time
The distance from Hartsfield Jackson Atlanta International Airport (ATL) to St. Louis Lambert International Airport (STL) is 779 km (484 mi). A typical nonstop flight covers it in about 1h 30m, heading northwest. The distance is the same in either direction (STL to ATL).
How far is it from Atlanta to St Louis?
The great-circle distance between Hartsfield Jackson Atlanta International Airport (ATL) and St. Louis Lambert International Airport (STL) is 779 km (484 mi, 421 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 STL?
A nonstop flight typically takes about 1h 30m. This is an estimate from the distance; actual block times depend on the aircraft, winds and the exact routing. STL is roughly northwest of ATL.
How is the ATL to STL route written in code?
The pair is written ATL-STL in IATA codes and KATL-KSTL in ICAO codes, the form used on a flight plan. Hartsfield Jackson Atlanta International Airport is ATL (KATL), St. Louis Lambert International Airport is STL (KSTL).
| ATL | STL | |
|---|---|---|
| Airport | Hartsfield Jackson Atlanta International Airport | St. Louis Lambert International Airport |
| ICAO code | KATL | KSTL |
| Country | United States | United States |
| Elevation | 1,026 ft | 618 ft |
| Rank by connections | #1 | #145 |
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.
STL sits 408 ft (124 m) lower than ATL, which is a real difference in air density on takeoff.
Airlines flying ATL to STL
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 |
|---|---|---|---|---|
| DL | Delta Air Lines | DAL | Delta | Active |
| FL | AirTran Airways | TRS | Citrus | Active |
| WN | Southwest Airlines | SWA | Southwest | Active |
A further 5 carriers sell this pair as a codeshare without operating it: AF, AM, AZ, KL, 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 St Louis?
Hartsfield Jackson Atlanta International Airport (ATL) and St. Louis Lambert International Airport (STL) are 779 km (484 mi, 421 nautical miles) apart in a straight line.
How long is the flight from ATL to STL?
A typical nonstop flight between ATL and STL takes about 1h 30m. Actual times vary with aircraft type, winds and routing.
What direction is STL from ATL?
St. Louis Lambert International Airport (STL) lies roughly northwest of Hartsfield Jackson Atlanta International Airport (ATL).
Which airlines fly ATL to STL?
3 airlines appear on the ATL-STL route in the open dataset, including Delta Air Lines, AirTran Airways, Southwest Airlines.
Related routes
Other routes from Atlanta (ATL):
Other routes from St Louis (STL):
ATL airport code · STL airport code · Busiest airports worldwide