San Antonio (SAT) to San Juan (SJU)
Flight time
≈ 5h 09m
Bearing
103° E
San Antonio (SAT) to San Juan (SJU) is 2,179 miles (3,507 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SAT–SJU
Filed traffic dataIn January 2026, Spirit Airlines was the only carrier flying nonstop SAT–SJU; the Airbus A321neo was the most common aircraft at 100% of departures; flights ran 97% full.
Departures
6
January 2026
Seats
1,374
both directions
Passengers
1,333
both directions
Load factor
97.0%
RPM ÷ ASM
Who flies SAT–SJU?
Spirit Airlines was the only carrier to fly nonstop SAT–SJU in January 2026 (6 departures).
- NK
6 departures · 1,374 seats
Share of departures100.0%97.0%
Load
What plane flies SAT–SJU?
In January 2026, the Airbus A321neo flew 100% of SAT–SJU departures.
- Airbus A321neo
6 departures · 97.0% load
100.0%
How has SAT–SJU traffic changed?
Nonstop SAT–SJU departures fell from 23 in June 2025 to 6 in January 2026.
Monthly nonstop SAT–SJU traffic, trailing 12 months through January 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
23 departures · 3,689 passengers
84.8%
Load
July 2025
18 departures · 3,329 passengers
87.5%
Load
August 2025
18 departures · 2,914 passengers
70.7%
Load
September 2025
18 departures · 2,252 passengers
68.8%
Load
October 2025
16 departures · 2,113 passengers
75.0%
Load
November 2025
18 departures · 2,320 passengers
73.2%
Load
December 2025
28 departures · 4,111 passengers
67.4%
Load
January 2026
6 departures · 1,333 passengers
97.0%
Load
By direction
Each direction is filed separately — they rarely match.
SAT → SJU
95.2% full
3 departures · 654 passengers
SJU → SAT
98.8% full
3 departures · 679 passengers
Nonstop SAT–SJU traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through January 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 San Antonio (SAT) from San Juan (SJU)?
SAT to SJU is 2,179 miles (3,507 km / 1,894 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SAT to SJU?
A nonstop covers the 2,179-mile great-circle distance in roughly 5h 09m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SAT–SJU?
In January 2026, the Airbus A321neo flew the largest share of departures (100.0%).
What mileage do I earn flying SAT–SJU?
Distance-based programs credit off the 2,179-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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