Boston (BOS) to Shannon (SNN)
Flight time
≈ 6h 34m
Bearing
53° NE
Boston (BOS) to Shannon (SNN) is 2,887 miles (4,646 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–SNN
Filed traffic dataIn July 2026, Aer Lingus operated the most departures, one of 2 carriers flying nonstop BOS–SNN; the Airbus A330-200 was the most common aircraft at 99% of departures; flights ran 84% full.
Departures
75
July 2026
Seats
13,792
both directions
Passengers
11,633
both directions
Load factor
84.4%
RPM ÷ ASM
Who flies BOS–SNN?
Aer Lingus operated the most nonstop BOS–SNN departures in July 2026 (74), one of 2 carriers on the route.
- EI
Aer Lingus
74 departures · 13,616 seats
Share of departures98.7%84.3%
Load
- UA
1 departures · 176 seats
Share of departures1.3%84.7%
Load
What plane flies BOS–SNN?
In July 2026, the Airbus A330-200 flew 99% of BOS–SNN departures — more than any other aircraft type.
- Airbus A330-200
74 departures · 84.3% load
98.7% - Boeing 757-200
1 departures · 84.7% load
1.3%
How has BOS–SNN traffic changed?
Nonstop BOS–SNN departures rose from 62 in August 2025 to 75 in July 2026.
Monthly nonstop BOS–SNN traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
62 departures · 10,509 passengers
92.1%
Load
September 2025
60 departures · 9,734 passengers
88.2%
Load
October 2025
62 departures · 9,241 passengers
81.0%
Load
November 2025
60 departures · 7,531 passengers
68.2%
Load
December 2025
60 departures · 7,931 passengers
70.5%
Load
January 2026
58 departures · 6,229 passengers
58.4%
Load
February 2026
54 departures · 5,479 passengers
55.1%
Load
March 2026
60 departures · 8,055 passengers
73.0%
Load
April 2026
60 departures · 9,216 passengers
83.5%
Load
May 2026
71 departures · 11,196 passengers
85.7%
Load
June 2026
87 departures · 12,754 passengers
80.2%
Load
July 2026
75 departures · 11,633 passengers
84.4%
Load
By direction
Each direction is filed separately — they rarely match.
SNN → BOS
87.5% full
38 departures · 6,114 passengers
BOS → SNN
81.1% full
37 departures · 5,519 passengers
Nonstop BOS–SNN 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
Shannon
IE
Shannon Airport
Coordinates
52.70°N, 8.92°W
Hemisphere
N · W
Frequently asked
How far is Boston (BOS) from Shannon (SNN)?
BOS to SNN is 2,887 miles (4,646 km / 2,509 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to SNN?
A nonstop covers the 2,887-mile great-circle distance in roughly 6h 34m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–SNN?
In July 2026, the Airbus A330-200 flew the largest share of departures (98.7%), followed by the Boeing 757-200 (1.3%).
What mileage do I earn flying BOS–SNN?
Distance-based programs credit off the 2,887-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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