ATL
Hartsfield-Jackson Atlanta International
✈
STL
St. Louis Lambert International Airport
Distance
420 nm
Altitude
30,000 ft
Est. Duration
1h 27m
Route Information
Departure

ATL (ATL)

Distance

777.7 km (420.0 nautical miles)

Arrival

STL (STL)

Estimated Flight Time

87 minutes (1h 27m)

Flight Profile

Cruise Altitude: 30,000 ft (Flight Level 300)

Route calculated using great circle navigation

Turbulence comfort along route
Comfort score combines turbulence probability with intensity, higher means rougher
Smooth Light Moderate Severe
💙
We know turbulence can feel scary - especially on long flights. This report is built for you: what bumps feel like, when they happen, and why they don't put the aircraft in danger. Many passengers feel exactly the same way.
Right now on your route
Live pilot reports from aircraft flying ATL → STL
5 pilot reports along this route
4 / 5
Reporting smooth
0 / 5
Light turbulence
1
Moderate or worse
Latest pilot reports
Smooth
BNA UA /OV BNA225060/TM 0008/FL340/TP B712/WX HZ IFR/RM ZME 26
13m ago
Smooth
CGI UA /OV FAM180025/TM 0008/FL360/TP B38M/RM SMOOTH. ZME 35
13m ago
Smooth
UCY UA /OV CASOT/TM 0003/FL260/TP CRJ9/TB LGT-MOD 260-240/RM DURD. ZME 07
18m ago
Smooth
SPI UA /OV KSPI/TM 2353/FL026/TP A320/SK OVC014-TOP026/RM DURD RY13
28m ago
Smooth
DEC UA /OV DEC/TM 2348/FLDURC/TP CRJ2/SK BKN035
33m ago
AI-powered flight briefing
1,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 1,500 data points along your route from Hartsfield-Jackson Atlanta International, Atlanta to St. Louis Lambert International Airport, St Louis.

Your Journey Beta

Your route takes you over the Appalachian Mountains – conditions there can sometimes cause light turbulence.

Smooth Flight

We're expecting smooth conditions throughout your flight. You can sit back and relax.

Takeoff

Takeoff should feel smooth, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 21 knots.

Landing

Landing should feel smooth with possible light bumps with typical approach conditions.

You're in Safe Hands

If you feel nervous at any point, remember that turbulence is expected, safe, and part of normal flying. The crew is monitoring everything, and the aircraft is built to handle far more than anything you will feel. Have a safe and calm flight.

Relaxation Exercises
ZeroTurb Index (ZTI): Powered by our turbulence prediction algorithm combining atmospheric Richardson Number, wind shear analysis, temperature gradients, and geomagnetic activity. Learn more
Live data from ECMWF global forecast models · 12 atmospheric pressure levels · Updated every 6 hours
Flight Timeline 1h 27min
Maximum turbulence expected per segment
Takeoff
Smooth
0:15-0:44
Smooth
0:44-1:12
Light
Landing
Light
Smooth
Light
Moderate
Severe
Longer bars indicate higher turbulence intensity. Values shown are the maximum for each time segment.
Airport conditions
Live weather at departure and arrival
ATL Hartsfield-Jackson Atlanta International - Departure
Wind
6 kt (270°)
Sky
Scattered
Temperature
29°C
Conditions
VFR - Clear conditions, no delays expected
STL St. Louis Lambert International Airport - Arrival
Wind
12 kt (150°)
Sky
Overcast
Temperature
24°C
Conditions
MVFR - Reduced visibility, minor delays possible
Your flight details
Departure timing and aircraft information
Data sources & our approach
ZeroTurb's Custom Algorithm: Our proprietary ZeroTurb Index (ZTI) combines three meteorological indices weighted by their predictive accuracy - giving you transparent, passenger-focused turbulence probability instead of vague categories.

This forecast integrates data from:

Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.

Fly this route, calmly Game · Beta A calming mini-game, not a forecast. Glide ATL → STL through soft clouds, nothing to crash into.