Houston (IAH) to San Juan (SJU)
Flight time
≈ 4h 49m
Bearing
107° E
Houston (IAH) to San Juan (SJU) is 2,006 miles (3,228 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–SJU
Filed traffic dataIn July 2026, United Airlines was the only carrier flying nonstop IAH–SJU; the Boeing 737 MAX 9 was the most common aircraft at 98% of departures; flights ran 93% full.
Departures
186
July 2026
Seats
33,294
both directions
Passengers
31,090
both directions
Load factor
93.4%
RPM ÷ ASM
Who flies IAH–SJU?
United Airlines was the only carrier to fly nonstop IAH–SJU in July 2026 (186 departures).
- UA
186 departures · 33,294 seats
Share of departures100.0%93.4%
Load
What plane flies IAH–SJU?
In July 2026, the Boeing 737 MAX 9 flew 98% of IAH–SJU departures — more than any other aircraft type.
- Boeing 737 MAX 9
182 departures · 93.3% load
97.9% - Boeing 737-900ER
4 departures · 95.8% load
2.1%
How has IAH–SJU traffic changed?
Nonstop IAH–SJU departures fell from 188 in August 2025 to 186 in July 2026.
Monthly nonstop IAH–SJU traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
188 departures · 31,954 passengers
91.5%
Load
September 2025
136 departures · 22,966 passengers
91.3%
Load
October 2025
142 departures · 22,998 passengers
87.8%
Load
November 2025
137 departures · 21,660 passengers
88.2%
Load
December 2025
182 departures · 29,375 passengers
86.4%
Load
January 2026
157 departures · 25,589 passengers
90.4%
Load
February 2026
133 departures · 21,438 passengers
90.0%
Load
March 2026
153 departures · 24,762 passengers
90.3%
Load
April 2026
121 departures · 18,597 passengers
85.7%
Load
May 2026
145 departures · 23,395 passengers
90.1%
Load
June 2026
180 departures · 28,993 passengers
90.0%
Load
July 2026
186 departures · 31,090 passengers
93.4%
Load
By direction
Each direction is filed separately — they rarely match.
IAH → SJU
92.4% full
93 departures · 15,381 passengers
SJU → IAH
94.4% full
93 departures · 15,709 passengers
Nonstop IAH–SJU 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 Juan
PR
Luis Munoz Marin International Airport
Coordinates
18.44°N, 66.00°W
Hemisphere
N · W
Frequently asked
How far is Houston (IAH) from San Juan (SJU)?
IAH to SJU is 2,006 miles (3,228 km / 1,743 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to SJU?
A nonstop covers the 2,006-mile great-circle distance in roughly 4h 49m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–SJU?
In July 2026, the Boeing 737 MAX 9 flew the largest share of departures (97.9%), followed by the Boeing 737-900ER (2.1%).
What mileage do I earn flying IAH–SJU?
Distance-based programs credit off the 2,006-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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