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 July 2026, Avianca El Salvador was the only carrier flying nonstop BOS–SAL; the Airbus A320neo was the most common aircraft at 53% of departures; flights ran 90% full.
Departures
60
July 2026
Seats
10,370
both directions
Passengers
9,336
both directions
Load factor
90.0%
RPM ÷ ASM
Who flies BOS–SAL?
Avianca El Salvador was the only carrier to fly nonstop BOS–SAL in July 2026 (60 departures).
- TA
Avianca El Salvador
60 departures · 10,370 seats
Share of departures100.0%90.0%
Load
What plane flies BOS–SAL?
In July 2026, the Airbus A320neo flew 53% of BOS–SAL departures — more than any other aircraft type.
- Airbus A320neo
32 departures · 88.4% load
53.3% - Airbus A320
28 departures · 91.9% load
46.7%
How has BOS–SAL traffic changed?
Nonstop BOS–SAL departures rose from 36 in August 2025 to 60 in July 2026.
Monthly nonstop BOS–SAL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
48 departures · 7,594 passengers
90.0%
Load
July 2026
60 departures · 9,336 passengers
90.0%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → SAL
90.8% full
30 departures · 4,594 passengers
SAL → BOS
89.3% full
30 departures · 4,742 passengers
Nonstop BOS–SAL 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
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 July 2026, the Airbus A320neo flew the largest share of departures (53.3%), followed by the Airbus A320 (46.7%).
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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