Boston (BOS) to Madrid (MAD)
Flight time
≈ 7h 36m
Bearing
68° E
Boston (BOS) to Madrid (MAD) is 3,401 miles (5,473 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–MAD
Filed traffic dataIn July 2026, Iberia Air Lines Of Spain operated the most departures, one of 4 carriers flying nonstop BOS–MAD; the Airbus A321 was the most common aircraft at 37% of departures; flights ran 77% full.
Departures
239
July 2026
Seats
49,042
both directions
Passengers
37,848
both directions
Load factor
77.2%
RPM ÷ ASM
Who flies BOS–MAD?
Iberia Air Lines Of Spain operated the most nonstop BOS–MAD departures in July 2026 (113), one of 4 carriers on the route.
- IB
Iberia Air Lines Of Spain
113 departures · 22,955 seats
Share of departures47.3%79.6%
Load
- B6
62 departures · 8,644 seats
Share of departures25.9%75.4%
Load
- DL
62 departures · 17,418 seats
Share of departures25.9%74.9%
Load
- GEQ
Gestair
2 departures · 25 seats
Share of departures0.8%36.0%
Load
What plane flies BOS–MAD?
In July 2026, the Airbus A321 flew 37% of BOS–MAD departures — more than any other aircraft type.
- Airbus A321
89 departures · 80.8% load
37.2% - Airbus A330-900
62 departures · 74.9% load
25.9% - Airbus A321neo
62 departures · 75.4% load
25.9% - Airbus A330-200
24 departures · 76.7% load
10.0% - Bombardier Global 6000
2 departures · 36.0% load
0.8%
How has BOS–MAD traffic changed?
Nonstop BOS–MAD departures rose from 186 in August 2025 to 239 in July 2026.
Monthly nonstop BOS–MAD traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
186 departures · 26,296 passengers
84.5%
Load
September 2025
163 departures · 22,395 passengers
80.1%
Load
October 2025
133 departures · 19,950 passengers
86.3%
Load
November 2025
64 departures · 11,463 passengers
84.4%
Load
December 2025
92 departures · 13,069 passengers
78.0%
Load
January 2026
88 departures · 12,465 passengers
77.8%
Load
February 2026
64 departures · 9,054 passengers
80.1%
Load
March 2026
100 departures · 15,352 passengers
84.4%
Load
April 2026
146 departures · 19,098 passengers
78.1%
Load
May 2026
218 departures · 34,093 passengers
75.9%
Load
June 2026
222 departures · 39,542 passengers
83.4%
Load
July 2026
239 departures · 37,848 passengers
77.2%
Load
By direction
Each direction is filed separately — they rarely match.
MAD → BOS
82.2% full
120 departures · 20,261 passengers
BOS → MAD
72.1% full
119 departures · 17,587 passengers
Nonstop BOS–MAD traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Madrid
ES
Adolfo Suárez Madrid–Barajas Airport
Coordinates
40.49°N, 3.57°W
Hemisphere
N · W
Frequently asked
How far is Boston (BOS) from Madrid (MAD)?
BOS to MAD is 3,401 miles (5,473 km / 2,955 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to MAD?
A nonstop covers the 3,401-mile great-circle distance in roughly 7h 36m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–MAD?
In July 2026, the Airbus A321 flew the largest share of departures (37.2%), followed by the Airbus A330-900 (25.9%).
What mileage do I earn flying BOS–MAD?
Distance-based programs credit off the 3,401-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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