Terminal B hosts 2 airlines. You'll find 5 dining options, 2 lounges, 11 shops here.

High-number B gates hide the key to Terminal B

At Boston Logan, Terminal B runs on split rules: American Airlines controls the B‑south side, United handles the B‑north side, and the airside connector to Terminal C lives down by the high‑number B gates. That layout drives almost every smart move here, from which security lane you pick to how you plan a lounge stop before an AA or Spirit Airlines departure.

Layout: AA side, UA side, and the C connector

Think of Terminal B as two pods with a long spine. American gates sit on one half, United on the other, with Spirit mixed into the B concourse. If you walk all the way toward the high‑number B gates, you hit the airside B–C connector, which lets you walk straight into Terminal C without re‑clearing security. Miss that, and you’re stuck going landside for any C or E lounges.

Security strategy: pick B or C on purpose

Flyers who need to see an American or United agent, or who have checked bags, usually go through Terminal B security by their airline’s side and stay put. Hand‑baggage only and already checked in online? Many regulars report entering at Terminal C security instead, visiting a lounge there, then walking via the B–C connector back to their gate in B. Build 15–20 minutes of walking time into that plan.

Lounges: two in B, more if you walk to C

Inside Terminal B, options are straightforward: the American Airlines Admirals Club on the AA side and the United Club on the UA side are the only lounges mentioned repeatedly by FlyerTalk regulars. Priority Pass spots sit in Terminals C and E, so getting there from B either means using the high‑number gate connector to C or going landside and re‑screening at a different terminal, which many users say isn’t worth it for typical 60–90 minute layovers.

Food: Legal, Stephanie’s, Cisco, and Bonfire

For a sit‑down meal in B, Legal Sea Foods and Legal C Bar both show up near the center of the concourse, with terminal‑standard pricing and quick‑serve fish options if you’re tight on time. Stephanie’s in B offers burgers and salads with full bar service, Cisco Brew Pub focuses on Cisco beers from Nantucket with bar seats near the gates, and Todd English’s Bonfire covers steaks and Latin‑leaning plates. Figure $18–$25 for most mains at these spots.

Coffee, bars, and quick bites between runs

If you just need a pre‑boarding snack near an American or Spirit gate, look for smaller counters clustered around the mid‑B rotunda rather than hiking back toward security. Beer fans often drift to Cisco Brew Pub for a draft and a quick bite, then walk 5–10 minutes out to the high‑number gates. Time your food stop so you’re not sprinting the entire length of B after boarding starts.

Shopping: Boston gear, books, and duty free

Souvenirs and logo wear show up at Boston AMERICA!, Boston Tops, and New England Collections, all planted along the B concourse within a few minutes’ walk of most gates. For reading, you’ll see Hudson Booksellers and Barbara’s Bookstore near the central section of B, plus regular Hudson stands for drinks and snacks. Duty Free Americas and Dufry – Duty Free handle liquor and cosmetics for eligible international itineraries, while Fifth & Sunset, InMotion, and Marshall Rousso cover sunglasses, electronics, and clothing.

What regulars actually do

On FlyerTalk, BOS regulars say they treat the Admirals Club and United Club as the only realistic options on short B layovers and skip Priority Pass lounges in C/E unless they have a long gap, often 2 hours or more. They pick the security checkpoint tied to their airline’s side in B and, if they plan a C‑side lounge run, make sure their gate is closer to the high‑number B end to cut backtracking through the concourse.

Watch out for backtracking and double security

Complaints center on two things: people entering at the wrong B checkpoint for their airline and then having a long internal walk, and travelers who go landside chasing a C or E lounge only to stand in a second TSA line. If you miss the high‑number gate connector and instead exit to the curb, you’ll have to re‑screen, which can easily burn 30–40 minutes in busy BOS afternoon banks.

One last tip

Check your boarding pass for AA vs UA and your exact gate, then aim for that side’s B security and note where the high‑number gates sit; if you’re planning a Terminal C lounge visit, walk there airside first, then return to B with at least 20 minutes to spare before boarding.