Boston to Madrid (BOS-MAD): nonstop upgrade & award space

Iberia Airlines, JetBlue Airways, and Delta Air Lines fly nonstop between Boston (BOS) and Madrid (MAD), roughly 28 times a week. Long-haul cabins on a corridor this busy are large but never idle: premium cabin inventory reshuffles around every schedule change, and the best dates go first. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, on every BOS to MAD departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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28
Nonstop flights a week
3,401 mi
Nonstop distance
Free
To get started

Boston to Madrid flight schedule

Scheduled nonstop departures for BOS to MAD, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Boston (BOS) to Madrid (MAD)
Date Flight Airline Departs BOS Arrives MAD Duration Aircraft
DL 62Delta Air Lines17:3006:206h 50m339
IB 348Iberia Airlines17:4006:507h 10m32Q
IB 346Iberia Airlines21:2010:307h 10m332
B6 2261JetBlue Airways22:3011:307h32Q
DL 62Delta Air Lines17:3006:206h 50m339
IB 348Iberia Airlines17:4006:507h 10m32Q
IB 346Iberia Airlines21:0510:157h 10m332
B6 2261JetBlue Airways22:3111:306h 59m32Q
DL 62Delta Air Lines17:3006:206h 50m339
IB 348Iberia Airlines17:4006:507h 10m32Q
IB 346Iberia Airlines21:2010:307h 10m332
B6 2261JetBlue Airways22:3111:306h 59m32Q
DL 62Delta Air Lines17:3006:206h 50m339
IB 348Iberia Airlines17:4006:507h 10m32Q
IB 346Iberia Airlines20:4509:557h 10m333
B6 2261JetBlue Airways22:3111:306h 59m32Q
DL 62Delta Air Lines17:3006:206h 50m339
IB 348Iberia Airlines17:4006:507h 10m32Q
IB 346Iberia Airlines21:2010:307h 10m332
B6 2261JetBlue Airways22:3111:306h 59m32Q
DL 62Delta Air Lines17:3006:206h 50m339
IB 348Iberia Airlines17:4006:507h 10m32Q
IB 346Iberia Airlines21:2010:307h 10m332
B6 2261JetBlue Airways22:3111:306h 59m32Q
DL 62Delta Air Lines17:3006:206h 50m339
IB 348Iberia Airlines17:4006:507h 10m32Q
IB 346Iberia Airlines21:2010:307h 10m332
B6 2261JetBlue Airways22:3111:306h 59m32Q

Showing all 28 scheduled BOS to MAD departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every BOS to MAD date on the interactive map

Confirmed upgrade & award space on BOS to MAD departures

2LNR tracks confirmed upgrade and award space on Delta Air Lines, segment by segment and date by date. Open the calendar for Boston to Madrid to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each BOS to MAD departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See BOS to MAD on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Boston to Madrid nonstop

Carriers operating BOS to MAD nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See BOS to MAD on the interactive map →

Frequently asked questions about BOS to MAD

How far is Madrid from Boston?
BOS to MAD covers about 3,401 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from BOS to MAD?
Iberia Airlines, JetBlue Airways, and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on Delta Air Lines, and award seats on JetBlue Airways.
How many flights a week are there from BOS to MAD?
About 28 nonstop flights a week run between Boston and Madrid in the current schedule, operated by Iberia Airlines, JetBlue Airways, and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from BOS to MAD depart?
Scheduled BOS to MAD nonstops in the next 7 days with service leave between 17:30 and 22:31, local time at Boston. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on BOS to MAD?
Open the BOS to MAD route on the interactive map or the matrix to see confirmed upgrade and award space by date on Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss BOS to MAD upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

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