Your Flight
We analysed more than 16,500 data points along your route from George Bush Intercontinental Houston Airport, Houston to Frankfurt Airport, Frankfurt am Main.
Lufthansa
IAH
FRA
LH441
Lufthansa · Live forecast
IAH
→
FRA
86
Calm Score
"A smooth ride ahead — sit back and enjoy."
9h 40m
Duration
4,537 nm
Distance
39,000 ft
Cruise Altitude
HIGH
Confidence
Turbulence comfort along route
Comfort score combines turbulence probability with intensity — higher means rougher
Smooth
Light
Moderate
Severe
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Beta
You still have 20 hours before departure. We'll notify you if this forecast changes.
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 IAH → FRA
15 pilot reports along this route
15 / 15
Reporting smooth
0 / 15
Light turbulence
0
Moderate or worse
Latest pilot reports
Smooth
DWH UA /OV DWH350002/TM 0003/FLDURD/TP C172/WX +RA /RM HEAVY RAIN AND LIGHTING
6m ago
Smooth
ARP DAL256 5611N03917W 2358 F370 5800N03000W 0036 5800N02000W MS48 226/29 KT N416DX DDL UAK 012358 J09A
11m ago
Smooth
ARP ACA844 5529N03610W 2354 F390 5600N03000W 0018 5600N02000W MS44 237/25 KT CGHPQ DDL XXW 012354 L55A
15m ago
Smooth
ARP LOT5V 5724N03820W 2351 F390 5900N03000W 0025 6100N02000W MS45 349/18 KT SPLRE DDL UAK 012351 L66A
18m ago
Smooth
ARP QTR57H 5430N05347W 2350 F380 LOMSI 0006 4652N06703W MS40 079/13 KT A7ANA QXS YHO 012350 J56A
19m ago
AI-powered flight briefing
16,500 data points analyzed
· HIGH confidence
Your Journey Beta
1 hour and 2 hours into the flight: Some moderate bumps expected.
The crew may adjust altitude or ask you to stay seated during these sections.
The rest of the flight should be smooth.
Your route takes you over the Appalachian Mountains and crossing the North Atlantic Ocean – these areas 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 40 knots.
Landing
Landing should feel smooth 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
Flight Timeline 9h 40min
Maximum turbulence expected per segment
Takeoff
Smooth
0:30-0:59
Moderate
0:59-1:28
Light
1:28-1:57
Light
1:57-2:26
Moderate
2:26-2:55
Light
2:55-3:24
Light
3:24-3:53
Light
3:53-4:22
Light
4:22-4:51
Light
4:51-5:20
Light
5:20-5:49
Smooth
5:49-6:18
Smooth
6:18-6:47
Smooth
6:47-7:16
Light
7:16-7:45
Light
7:45-8:14
Light
8:14-8:42
Light
8:42-9:10
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
IAH
George Bush Intercontinental Houston Airport — Departure
Wind
10 kt (150°)
Sky
Scattered
Temperature
32°C
Conditions
VFR — Clear conditions, no delays expected
FRA
Frankfurt Airport — Arrival
Wind
4 kt (50°)
Sky
NSC
Temperature
14°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
Today
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:
- ECMWF Open Data — Global atmospheric model (wind/temperature at 13 flight levels)
- NOAA Aviation Weather Center — Pilot Reports (PIREPs), SIGMETs/AIRMETs, TAFs
- NOAA Space Weather Prediction Center — Aurora forecasts for polar routes
- AviationStack API — Flight schedules and airline operational data
Disclaimer: This forecast is for informational purposes only. Always consult official aviation weather sources and follow ATC guidance.