Delta Air Lines MSP SDF DL4040
Delta Air Lines · Live forecast
MSP → SDF
DL4040 · Mar 16, 2026 · 20:00 CD
86
Calm Score
"A smooth ride ahead — sit back and enjoy."
3h 9m
Duration
524 nm
Distance
31,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth Light Moderate Severe
Set an alert before your flight Beta
You still have 21 hours before departure. We'll notify you if this forecast changes.
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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 you'll be completely safe. 1 in 3 passengers feel exactly like you.
Right now on your route
Live pilot reports from aircraft flying MSP → SDF
4 pilot reports along this route
3 / 4
Reporting smooth
1 / 4
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
EVV UA /OV EVV/TM 0322/FLDURC/TP E145/SK OVC014
9m ago
Light
MLI UA /OV MZV/TM 0312/FL360/TP B738/TB OCNL LGT CHOP
19m ago
Smooth
MDW UA /OV KMDW/TM 0312/FL010/TP B737/SK BASES 010
19m ago
Smooth
ORD UA /OV ORD/TM 0310/FL016/TP E170/RM GAIN OF 15 KNOTS AT 1000 FT
21m ago
AI-powered flight briefing
2,000 data points analyzed · HIGH confidence
Your Flight

We analysed more than 2,000 data points along your route from Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field, Minneapolis to Louisville Muhammad Ali International Airport, Louisville.

Your Journey Beta

A brief bumpy patch may occur during cruise. It's nothing to worry about - just keep your seatbelt fastened.

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 possible light bumps, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 64 knots.

Landing

Landing should feel a bit bumpy on descent 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 3h 09min
Maximum turbulence expected per segment
Takeoff
Light
0:20-0:50
Smooth
0:50-1:20
Smooth
1:20-1:50
Light
1:50-2:20
Moderate
2:20-2:49
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
MSP Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field — Departure
Visibility
6 mi
Wind
15 kt G25 (320°)
Sky
Scattered
Temperature
-4°C
Conditions
VFR — Clear conditions, no delays expected
SDF Louisville Muhammad Ali International Airport — Arrival
Wind
22 kt G28 (280°)
Sky
Broken
Temperature
22°C
Conditions
VFR — Clear conditions, no delays expected
Your flight details
Departure timing and aircraft information
Evening Flight Departure
Time of day
Evening Flight
Tip
Evening and night flights typically offer smoother conditions as thermal activity subsides and the atmosphere stabilizes after sunset.
When
Tomorrow — conditions may change
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.