Avianca Costa Rica LAX SAL LR621
Avianca Costa Rica
FLIGHT
LR621
LAX
Los Angeles International Airport
23:55
03 Mar
Now: --:-- PS
6 h 51 m
SAL
Monseñor Óscar Arnulfo Romero International Airport
14:46
04 Mar
Altitude: 39,000ft (11.9km) Distance: 2,016 nm Duration: 6 h 51 m
ALTITUDE
39,000ft
DISTANCE
2,016 nm
DURATION
6 h 51 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
9.7 /10
Smoothness
Smooth Flight
89%
Smooth
11%
Light
Set an alert before your flight Beta
You still have 10 hours before departure. We'll notify you if this forecast changes.
AI-Powered Flight Briefing
📊 7,500 data points analyzed VERY HIGH Confidence
Your Flight

We analysed more than 7,500 data points along your route from Los Angeles International Airport, Los Angeles to Monseñor Óscar Arnulfo Romero International Airport, San Salvador (San Luis Talpa).

Your Journey Beta

Your route takes you over the Sierra Nevada and across the Sonoran Desert – 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 possible light bumps, with calm conditions around the airport.

Winds Aloft

Winds at cruising altitude are about 48 knots. These winds are favorable and may get you there up to 19 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 6h 51min
Maximum turbulence expected per segment
Takeoff
Light
0:30-1:00
Light
1:00-1:30
Smooth
1:30-2:00
Smooth
2:00-2:29
Light
2:29-2:58
Smooth
2:58-3:27
Smooth
3:27-3:56
Smooth
3:56-4:25
Smooth
4:25-4:54
Smooth
4:54-5:23
Smooth
5:23-5:52
Light
5:52-6:21
Smooth
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
LAX
At Departure
19°C (Now)
Scattered • 3 kt • VFR — Clear conditions, no delays expected
Arrival
SAL
At Arrival
32°C (Now)
NSC • 10 kt • VFR — Clear conditions, no delays expected
☀️ Morning Flight

Morning flights typically experience smoother conditions as the atmosphere is more stable and thermal turbulence hasn't yet developed.

Weather conditions can change. Check again before your flight.

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.