7 Major Upgrades At Boston Logan Airport (BOS) You Must Know Before Your 2025 Flight

Planning a flight through Boston Logan International Airport (BOS) in late 2025 or early 2026? You are about to experience an airport in the middle of a massive, multi-year transformation. While this modernization is designed to dramatically improve the overall passenger experience, it also means travelers must be aware of significant, ongoing construction and new roadway changes that are expected to cause temporary delays until November 2025. This deep dive provides the most current, essential updates on the major terminal expansions, new international routes, and critical travel tips to help you navigate the 'New BOS' and avoid any surprises.

The commitment by Massport to modernize the facility is already paying dividends. According to the J.D. Power 2025 North America Airport Satisfaction Study, Boston Logan has improved its passenger satisfaction ranking, securing the 10th spot overall, with noted improvements in staff, ease of travel, and trust. These upgrades are part of a broader, quarter-billion-dollar initiative to enhance one of the region's busiest travel hubs.

Boston Logan International Airport (BOS) Profile and Key Facts

To establish topical authority, it is important to know the foundational details of this critical New England transportation hub. Boston Logan, officially named General Edward Lawrence Logan International Airport, is a major gateway for both domestic and transatlantic travel.

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• Official Name: General Edward Lawrence Logan International Airport
• IATA Code: BOS
• ICAO Code: KBOS
• Operator: Massachusetts Port Authority (Massport)
• Location: East Boston, Massachusetts
• Named After: Major General Edward Lawrence Logan (1875-1939), a Spanish–American War officer from South Boston.
• Opened: 1923, making it one of the oldest major US airports.
• Terminals: 4 (A, B, C, and E)
• Runways: 6

The airport’s history dates back to the mid-1920s, initially offering mail and passenger services. Today, it serves millions of passengers annually, and the current wave of construction, managed by Massport, aims to future-proof the airport for decades to come.

The Massive 2025 Terminal and Infrastructure Modernization

The core of the current updates at BOS revolves around a major modernization project designed to streamline the passenger experience and handle increasing international traffic. This initiative includes a $250 million contract awarded to Skanska for significant upgrades. Travelers should be prepared for temporary disruptions, including roadwork and terminal changes, which are expected to continue until at least November 2025.

1. Terminal E Expansion: A New International Gateway

The Terminal E expansion is arguably the most impactful recent project. This international terminal has completed its modernization, creating a more efficient and enjoyable experience for passengers. The new 320,000-square-foot expansion is not just visually striking but is packed with new features to improve flow for international arrivals and departures. The enhancements are a critical step in making Logan a world-class gateway.

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2. New Centralized Transportation Center

A key component of the Massport plan is the construction of a new centralized transportation center. This facility is designed to consolidate various ground transportation options, making it easier for travelers to connect with taxis, ride-shares, rental cars, and public transit, directly addressing the past issues of congestion and space limitations.

3. Terminal C Enhancements

While Terminal E grabs headlines, Terminal C is also receiving significant enhancements. These upgrades are focused on improving the traveler flow and amenities within the terminal, ensuring that domestic travelers benefit from the overall modernization effort. The goal is to make the entire airport, not just the international gates, more user-friendly.

4. Critical Roadway and Traffic Updates

The most immediate and critical alert for travelers is the ongoing roadway construction. Temporary road and terminal changes are in effect, and these can cause delays, especially during peak travel times. Massport is working to improve roadways throughout the airport complex. Travelers should check the official Massport website for the latest real-time construction and traffic updates before heading to the airport. A pedestrian detour involving the closure of vestibules E101 and E102, as well as the Terminal E-C connector, is one specific example of a current change.

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New Flights, Nonstop Routes, and Enhanced Passenger Experience

The physical expansion of the airport is directly supporting a surge in new air services and destinations, solidifying Boston Logan’s role as a major hub for international and domestic carriers.

5. Delta’s Major International Route Expansion

Delta Air Lines is significantly boosting its presence at BOS. As of late 2025, Delta has opened new nonstop service to Barcelona, operating three times a week. Furthermore, Delta is enhancing its European offerings with new nonstop services to Madrid and Nice, along with enhanced flight schedules to both Barcelona and Milan. This expansion provides travelers with unprecedented access to Southern Europe directly from Boston.

6. JetBlue’s New Domestic Service

JetBlue is also expanding its network from Boston Logan, launching new nonstop service to Vero Beach, Florida. This new route, effective for travel starting in early 2026, caters to the strong demand for travel between New England and Florida’s popular coastal destinations.

7. Aer Lingus and Future Growth

Looking ahead to 2026, Aer Lingus has announced that Boston Logan International Airport will be a key part of its North American expansion strategy. This planned growth signals continued confidence in BOS as a crucial transatlantic hub, promising even more new routes and connectivity in the near future. The airport is actively continuing to add more and more destinations across the globe.

Navigating the New BOS: Essential Travel Tips

With major construction and new services underway, successful travel through Boston Logan requires a proactive approach. The ongoing effort to improve the passenger experience should ultimately reduce congestion, but the short-term reality involves navigating construction zones.

• Check Roadway Alerts: Always check the official Massport website for the latest roadway and traffic updates before you leave for the airport, especially if you are using ride-shares or driving yourself. Temporary closures and detours are common until the November 2025 completion date.
• Arrive Early: Due to potential traffic delays from construction and enhanced security procedures in the modernized terminals, give yourself an extra buffer of time—at least 3 hours for international flights and 2 hours for domestic flights.
• Utilize Public Transit: Consider using the MBTA Blue Line or the Silver Line to access the airport. Massport is actively trying to make it easier for people to love getting to Logan Airport, and public transit can help bypass road congestion.
• Look for Staff Assistance: The J.D. Power 2025 study specifically noted improvements in staff satisfaction. Do not hesitate to ask airport personnel for directions or assistance navigating the construction areas or the new terminal layouts.

The extensive upgrades at Boston Logan International Airport represent a significant investment in the future of air travel for the entire New England region. While the construction phase presents temporary challenges, the resulting improvements—from the modernized Terminal E to the new nonstop routes to Europe and the enhanced passenger experience—promise a more efficient and enjoyable travel experience for years to come.