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Boston → Salt Lake City

BOS–SLC · Boston Logan International Airport to Salt Lake City International Airport

Best bet

Left side

Good betA real difference, not a rounding error.

Niagara Falls leads it, with 2 more on the same side.

Flight paths move around. Treat this as the better bet, not a promise.

What you might see

In flight order, with distance measured from the representative route.

BOS to SLC: where each landmark sits relative to the routeA diagram of the representative route running left to right, with the departure airport at the left and the arrival airport at the right. Landmarks on the left side of the aircraft are plotted above the route line and landmarks on the right side below it, each at its distance from the route. The numbered list below this diagram carries the same information as text.BOSSLCLEFT SIDERIGHT SIDE1234
Distance from the route is to scale (up to 40 miles); the shaded ends are the 40-mile zones around each airport where the runway in use decides the view. Numbers match the list below. Hollow markers didn't count toward the recommendation.

  1. Finger Lakes

    LeftEarly28 mi off the route

    Finger Lakes is about 28 miles off the left, early in the flight.

    Distant possibility

  2. Niagara Falls

    LeftQuarter in11 mi off the route

    About a quarter of the way in, Niagara Falls sits roughly 11 miles to the left.

    Good possibility

  3. Uinta Mountains

    LeftNear the end24 mi off the route

    Look left late in the flight for Uinta Mountains, about 24 miles out.

    Good possibility

  4. Wasatch Range

    LeftNear the end24 mi off the route

    Whether Wasatch Range appears comes down to how you come into SLC, which is not something we can know in advance.

    Runway dependent

The sun

Flying soon? Add your date and departure time and we'll work out where the sun should be, and which side gets less of it.

Airport codes or city names. SEA, Seattle, and Seattle-Tacoma all work.

Skip the date and you still get the landmark answer. Add it and we work out where the sun will be, using the departure airport's local time.

The route we used

2,100 mi
Great-circle distance
281°
Course out of BOS
253°
Course into SLC
3
Landmarks that counted

That is the shortest path between the two airports, used as a representative corridor rather than a flight plan. The first and last 40 miles are treated as uncertain, because that part of the flight is shaped by the runway in use and the published departure or arrival procedure. Anything in those zones is listed and marked, never counted toward the recommendation.

Left and right, from where?

Left and right are from your perspective sitting in the cabin, facing the front of the aircraft. Seat letters are not a reliable guide to which side you are on, because aircraft are configured differently.

Why this isn't guaranteed

Flights don't follow the same path every day. Runway configuration, weather deviations, traffic, and air traffic control all move the track around, and none of it is knowable in advance. We also have nothing to say about cloud cover, which is the other thing standing between you and Mount Rainier. The full method.

Flying the other way?

Salt Lake City → BostonRight side

Calculated from scratch, not by flipping this one. The landmarks arrive in the opposite order, the sun is somewhere else entirely, and the answer changes with them.

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