Airline route map

Where does Boutique Air fly? The 4B route map

Boutique Air (4B) is a smaller operation in 2LNR's schedule data, with 2 nonstop routes between 4 airports. On a schedule this size, an open premium seat rarely lasts. 2LNR checks each 4B route for confirmed upgrade and award space, so a rare opening does not go unnoticed.

Data current as of July 31, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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2
Nonstop routes
4
Airports served
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What 2LNR tracks on Boutique Air

2LNR tracks confirmed upgrade inventory on American, Delta, and Alaska, and award availability across roughly 30 airlines, segment by segment and date by date. Open any 4B route below for a calendar of what is actually open, or watch a route and get alerted when space appears.

Availability by date

Each route opens a calendar of departures with confirmed upgrade and award space, so you can see which dates already have room instead of checking one flight at a time.

Alerts when space opens

Premium seats turn over fast. Watch a 4B route and 2LNR notifies you by email, SMS, in-app, and push the moment space appears.

The whole network on a map

Filter the interactive route map to 4B to see the network, compare connections, and jump into any route from there.

Every Boutique Air nonstop route

2 nonstop routes across 4 airports, grouped by departure city. Each route links to its confirmed upgrade and award availability.

See the 4B network on the interactive map →

Frequently asked questions about Boutique Air (4B) routes

Where does Boutique Air fly nonstop?
Boutique Air operates 2 nonstop routes serving 4 airports in 2LNR's schedule data. The busiest are Boston to Massena and Pendleton to Portland. The full list is on this page, and each route opens its own calendar of confirmed upgrade and award space.
How many routes does Boutique Air (4B) operate?
4B currently shows 2 nonstop routes between 4 airports. Schedules change seasonally, so this page updates as new 4B schedule data is confirmed.
Does 2LNR track upgrades on Boutique Air?
2LNR tracks confirmed upgrade inventory on American, Delta, and Alaska, and award availability across roughly 30 airlines. Each 4B route below links to a calendar of what 2LNR tracks for Boutique Air by date.
How do I check availability on a specific 4B route?
Open a route such as Boston to Massena from the list on this page to see 4B departures date by date with confirmed upgrade and award space. You can also set an alert, and 2LNR will notify you when space opens on a 4B route you are watching.

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