United Airlines IAD EYW UA3455
United Airlines · Live forecast
IAD → EYW
UA3455 · Apr 17, 2026 · 12:50
Also sold as: UA4054 United Express
79
Calm Score
"Mostly smooth — one short bumpy section you'll handle."
3h 17m
Duration
891 nm
Distance
36,000 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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💙
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 IAD → EYW
3 pilot reports along this route
2 / 3
Reporting smooth
0 / 3
Light turbulence
1
Moderate or worse
Latest pilot reports
Smooth
CAE UA /OV CAE/TM 1730/FL430/TP GL5T/TB OCNL LGT-MOD CHOP
14m ago
Smooth
BCT UA /OV KBCT/TM 1728/FL006/TP A109/SK SCT009 BKN015/WX FV99SM
16m ago
Smooth
BCT UA /OV KBCT230002/TM 1717/FL010/TP CL35/SK SCT010/WX -RA/RM DURD AIS AT 2.5NM
27m ago
AI-powered flight briefing
3,500 data points analyzed · HIGH confidence
Your Flight

We analysed more than 3,500 data points along your route from Washington Dulles International Airport, Dulles to Key West International Airport, Key West.

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 and crossing the North Atlantic Ocean – these areas can sometimes cause light turbulence.

Mostly Smooth

Overall conditions look mostly smooth with occasional light bumps. Nothing to worry about.

Takeoff

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

Winds Aloft

Winds at cruising altitude are about 59 knots. These winds may delay arrival by a few minutes.

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 17min
Maximum turbulence expected per segment
Takeoff
Smooth
0:20-0:47
Light
0:47-1:13
Light
1:13-1:39
Light
1:39-2:05
Light
2:05-2:31
Light
2:31-2:57
Moderate
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
IAD Washington Dulles International Airport — Departure
Visibility
9 mi
Wind
10 kt G18 (340°)
Sky
Broken
Temperature
26°C
Conditions
VFR — Clear conditions, no delays expected
EYW Key West International Airport — Arrival
Wind
7 kt G18 (40°)
Sky
Broken
Temperature
28°C
Conditions
MVFR — Reduced visibility, minor delays possible
Your flight details
Departure timing and aircraft information
Afternoon Flight Departure
Time of day
Afternoon Flight
Tip
Afternoon flights may encounter more turbulence due to thermal activity as the sun heats the ground, creating rising air currents.
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:

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