Southwest Airlines BWI SJU WN1898
Southwest Airlines
FLIGHT
WN1898
BWI
Baltimore/Washington International Thurgood Marshall
08:25
03 Mar
Now: --:-- ES
5 h 5 m
SJU
Luis Munoz Marin International Airport
18:30
03 Mar
Altitude: 35,000ft (10.7km) Distance: 1,363 nm Duration: 5 h 5 m
ALTITUDE
35,000ft
DISTANCE
1,363 nm
DURATION
5 h 5 m
Times and gates subject to change. Verify with airline.
Turbulence Comfort Along Route Comfort View
Comfort Score: Combines turbulence probability (GTG forecast) with intensity (ZTI analysis). High scores indicate both high probability AND high intensity turbulence.
Smooth
Light
Moderate
Severe
Flight Smoothness Score
8.2 /10
Smoothness
Smooth Flight
29%
Smooth
69%
Light
2%
Moderate

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AI-Powered Flight Briefing
📊 5,000 data points analyzed HIGH Confidence
Your Flight

We analysed more than 5,000 data points along your route from Baltimore/Washington International Thurgood Marshall, Baltimore to Luis Munoz Marin International Airport, San Juan.

Your Journey Beta

1 hour 10 minutes 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 59 knots. These winds are favorable and may get you there up to 12 minutes early.

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 proprietary turbulence prediction algorithm combining atmospheric Richardson Number, wind shear analysis, temperature gradients, and geomagnetic activity for precise, real-time forecasting. Learn more
Live data from ECMWF global forecast models • 12 atmospheric pressure levels analyzed • Updated every 6 hours
Flight Timeline 5h 05min
Maximum turbulence expected per segment
Takeoff
Light
0:30-0:58
Light
0:58-1:26
Moderate
1:26-1:53
Light
1:53-2:20
Light
2:20-2:47
Light
2:47-3:14
Light
3:14-3:41
Smooth
3:41-4:08
Light
4:08-4:35
Light
Landing
Light
Smooth
Light
Moderate
Severe
Longer bars indicate higher turbulence intensity. Values shown are the maximum for each time segment.
Turbulence Metrics ZTI and EDR (scaled)
ZTI Scale
Smooth
<12
Light
12-30
Moderate
30-45
Severe
>45
EDR Scale
Smooth
<6
Light
6-24
Moderate
24-42
Severe
>42

Airport Weather
Departure
BWI
Forecast
2°C (Now)
Overcast • 3 kt • LIFR — Very poor visibility, significant delays expected
Arrival
SJU
At Arrival
29°C (Now)
Scattered • 20 kt G27 • VFR — Clear conditions, no delays expected
🌤️ Afternoon Flight

Afternoon flights may encounter more turbulence due to thermal activity as the sun heats the ground, creating rising air currents.

Looking for more detailed analysis?

Data Sources & Our Approach
ZeroTurb's Custom Algorithm: We've developed a proprietary ZeroTurb Index (ZTI) algorithm that combines three meteorological indices weighted by their predictive accuracy. This gives 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.

How accurate are turbulence alerts? Alerts are based on updated forecast models and pilot reports, and can change as departure approaches.