Boston (BOS) to San Salvador (SAL)
Flight time
≈ 5h 20m
Bearing
214° SW
Boston (BOS) to San Salvador (SAL) is 2,271 miles (3,654 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–SAL
Filed traffic dataIn May 2026, Avianca El Salvador was the only carrier flying nonstop BOS–SAL; the Airbus A320neo was the most common aircraft at 67% of departures; flights ran 88% full.
Departures
36
May 2026
Seats
6,227
both directions
Passengers
5,449
both directions
Load factor
87.5%
RPM ÷ ASM
Who flies BOS–SAL?
Avianca El Salvador was the only carrier to fly nonstop BOS–SAL in May 2026 (36 departures).
- TA
Avianca El Salvador
36 departures · 6,227 seats
Share of departures100.0%87.5%
Load
What plane flies BOS–SAL?
In May 2026, the Airbus A320neo flew 67% of BOS–SAL departures — more than any other aircraft type.
- Airbus A320neo
24 departures · 84.5% load
66.7% - Airbus A320
12 departures · 93.9% load
33.3%
How has BOS–SAL traffic changed?
Nonstop BOS–SAL departures held steady at about 36 a month between June 2025 and May 2026.
Monthly nonstop BOS–SAL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
36 departures · 5,414 passengers
85.0%
Load
July 2025
34 departures · 5,110 passengers
84.9%
Load
August 2025
36 departures · 5,597 passengers
88.1%
Load
September 2025
34 departures · 4,589 passengers
78.8%
Load
October 2025
36 departures · 4,869 passengers
77.1%
Load
November 2025
34 departures · 4,880 passengers
81.1%
Load
December 2025
36 departures · 5,373 passengers
85.1%
Load
January 2026
32 departures · 4,895 passengers
87.2%
Load
February 2026
32 departures · 4,578 passengers
81.3%
Load
March 2026
36 departures · 5,442 passengers
85.4%
Load
April 2026
34 departures · 5,042 passengers
88.0%
Load
May 2026
36 departures · 5,449 passengers
87.5%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → SAL
79.2% full
18 departures · 2,421 passengers
SAL → BOS
95.5% full
18 departures · 3,028 passengers
Nonstop BOS–SAL traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
San Salvador
SV
El Salvador International Airport Saint Óscar Arnulfo Romero y Galdámez
Coordinates
13.44°N, 89.06°W
Hemisphere
N · W
Frequently asked
How far is Boston (BOS) from San Salvador (SAL)?
BOS to SAL is 2,271 miles (3,654 km / 1,973 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to SAL?
A nonstop covers the 2,271-mile great-circle distance in roughly 5h 20m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–SAL?
In May 2026, the Airbus A320neo flew the largest share of departures (66.7%), followed by the Airbus A320 (33.3%).
What mileage do I earn flying BOS–SAL?
Distance-based programs credit off the 2,271-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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