Boston (BOS) to Porto (OPO)
Flight time
≈ 7h 04m
Bearing
69° E
Boston (BOS) to Porto (OPO) is 3,136 miles (5,047 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–OPO
Filed traffic dataIn July 2026, TAP-TAP Air Portugal operated the most departures, one of 2 carriers flying nonstop BOS–OPO; the Airbus A330-900 was the most common aircraft at 97% of departures; flights ran 86% full.
Departures
34
July 2026
Seats
5,550
both directions
Passengers
4,797
both directions
Load factor
86.4%
RPM ÷ ASM
Who flies BOS–OPO?
TAP-TAP Air Portugal operated the most nonstop BOS–OPO departures in July 2026 (33), one of 2 carriers on the route.
- TP
TAP-TAP Air Portugal
33 departures · 5,374 seats
Share of departures97.1%86.1%
Load
- UA
1 departures · 176 seats
Share of departures2.9%96.0%
Load
What plane flies BOS–OPO?
In July 2026, the Airbus A330-900 flew 97% of BOS–OPO departures — more than any other aircraft type.
- Airbus A330-900
33 departures · 86.1% load
97.1% - Boeing 757-200
1 departures · 96.0% load
2.9%
How has BOS–OPO traffic changed?
Nonstop BOS–OPO departures fell from 37 in August 2025 to 34 in July 2026.
Monthly nonstop BOS–OPO traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
37 departures · 5,328 passengers
85.7%
Load
September 2025
35 departures · 5,177 passengers
88.1%
Load
October 2025
28 departures · 3,593 passengers
76.4%
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
2 departures · 230 passengers
68.5%
Load
April 2026
23 departures · 2,889 passengers
74.8%
Load
May 2026
32 departures · 4,385 passengers
81.6%
Load
June 2026
30 departures · 3,918 passengers
80.2%
Load
July 2026
34 departures · 4,797 passengers
86.4%
Load
By direction
Each direction is filed separately — they rarely match.
OPO → BOS
85.8% full
18 departures · 2,527 passengers
BOS → OPO
87.1% full
16 departures · 2,270 passengers
Nonstop BOS–OPO 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
Porto
PT
Francisco de Sá Carneiro Airport
Coordinates
41.25°N, 8.68°W
Hemisphere
N · W
Frequently asked
How far is Boston (BOS) from Porto (OPO)?
BOS to OPO is 3,136 miles (5,047 km / 2,725 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to OPO?
A nonstop covers the 3,136-mile great-circle distance in roughly 7h 04m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–OPO?
In July 2026, the Airbus A330-900 flew the largest share of departures (97.1%), followed by the Boeing 757-200 (2.9%).
What mileage do I earn flying BOS–OPO?
Distance-based programs credit off the 3,136-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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