Houston (IAH) to San Salvador (SAL)
Flight time
≈ 3h 13m
Bearing
159° S
Houston (IAH) to San Salvador (SAL) is 1,211 miles (1,949 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–SAL
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 5 carriers flying nonstop IAH–SAL; the Boeing 737 MAX 9 was the most common aircraft at 57% of departures; flights ran 87% full.
Departures
355
May 2026
Seats
63,561
both directions
Passengers
55,216
both directions
Load factor
86.9%
RPM ÷ ASM
Who flies IAH–SAL?
United Airlines operated the most nonstop IAH–SAL departures in May 2026 (208), one of 5 carriers on the route.
- UA
208 departures · 37,232 seats
Share of departures58.6%91.3%
Load
- TA
Avianca El Salvador
124 departures · 22,313 seats
Share of departures34.9%81.1%
Load
- N3
Volaris El Salvador
18 departures · 3,348 seats
Share of departures5.1%83.1%
Load
- GCA
4 departures · 496 seats
Share of departures1.1%41.5%
Load
- AA
1 departures · 172 seats
Share of departures0.3%94.2%
Load
What plane flies IAH–SAL?
In May 2026, the Boeing 737 MAX 9 flew 57% of IAH–SAL departures — more than any other aircraft type.
- Boeing 737 MAX 9
203 departures · 91.5% load
57.2% - Airbus A320
86 departures · 80.5% load
24.2% - Airbus A320neo
58 departures · 82.8% load
16.3% - Boeing 737-900ER
5 departures · 81.9% load
1.4% - Airbus A321
1 departures · 0.0% load
0.3% - Airbus A319
1 departures · 0.0% load
0.3% - Boeing 737-800
1 departures · 94.2% load
0.3%
How has IAH–SAL traffic changed?
Nonstop IAH–SAL departures fell from 399 in June 2025 to 355 in May 2026.
Monthly nonstop IAH–SAL traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
399 departures · 61,747 passengers
85.9%
Load
July 2025
398 departures · 64,727 passengers
90.5%
Load
August 2025
372 departures · 57,621 passengers
86.1%
Load
September 2025
298 departures · 44,965 passengers
83.9%
Load
October 2025
303 departures · 47,504 passengers
87.3%
Load
November 2025
271 departures · 44,132 passengers
90.7%
Load
December 2025
437 departures · 63,326 passengers
80.7%
Load
January 2026
391 departures · 61,008 passengers
86.9%
Load
February 2026
280 departures · 45,862 passengers
91.1%
Load
March 2026
309 departures · 51,021 passengers
91.8%
Load
April 2026
334 departures · 50,567 passengers
84.2%
Load
May 2026
355 departures · 55,216 passengers
86.9%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → SAL
89.2% full
179 departures · 28,485 passengers
SAL → IAH
84.5% full
176 departures · 26,731 passengers
Nonstop IAH–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 Houston (IAH) from San Salvador (SAL)?
IAH to SAL is 1,211 miles (1,949 km / 1,053 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to SAL?
A nonstop covers the 1,211-mile great-circle distance in roughly 3h 13m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–SAL?
In May 2026, the Boeing 737 MAX 9 flew the largest share of departures (57.2%), followed by the Airbus A320 (24.2%).
What mileage do I earn flying IAH–SAL?
Distance-based programs credit off the 1,211-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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