Every flight has a bright side.
The sun picks one side. We tell you which so you can pick yours.
Every flight has a bright side.
The sun picks one side. We tell you which so you can pick yours.
Every flight has a bright side.
The sun picks one side. We tell you which so you can pick yours.
Find out which side of the plane to sit on.
Pick your airports, set your departure time, and you're done.
We calculate the sun's position based on your flight path and departure time, then tell you which side of the plane gets direct sun and which stays shaded. No guessing, just math.
Enter your flight
Pick your departure and arrival airports and set your departure time at the departure airport. FlightSide estimates the duration and you can adjust it if you know the exact schedule.
We track the sun along your route
Your flight path is broken into hundreds of points. At each one we check where the sun is and which side of the plane it faces.
You get a recommendation
Left side or right side, based on whether you want sun or shade. The percentages and the map are there if you want to see why.
Want to go deeper? Accuracy, edge cases, polar routes — see the FAQ →
Notes from the product.
Small updates, route observations, and clearer explanations for how the app keeps evolving.
It's all about the sun (after all)
Not all sunlight reaches the side windows. FlightSide now weighs the sun’s angle to the cabin and shows twilight along the route.
The sun moves while you wait
FlightSide now accounts for the gap between your scheduled departure and when you actually leave the ground. A slider lets you model any delay and see whether it changes your seat recommendation.
A bigger map and a redesign to match
FlightSide is redesigned around a single frame. The route, departure time, map, and seat recommendation now sit together, so picking a side of the plane takes one look instead of a scroll.