San Juan (SJU) to St Louis (STL)
Flight time
≈ 4h 51m
Bearing
319° NW
San Juan (SJU) to St Louis (STL) is 2,026 miles (3,260 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SJU–STL
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop SJU–STL; the Boeing 737 MAX 8 was the most common aircraft at 62% of departures; flights ran 96% full.
Departures
8
July 2026
Seats
1,400
both directions
Passengers
1,338
both directions
Load factor
95.6%
RPM ÷ ASM
Who flies SJU–STL?
Southwest Airlines was the only carrier to fly nonstop SJU–STL in July 2026 (8 departures).
- WN
8 departures · 1,400 seats
Share of departures100.0%95.6%
Load
What plane flies SJU–STL?
In July 2026, the Boeing 737 MAX 8 flew 62% of SJU–STL departures — more than any other aircraft type.
- Boeing 737 MAX 8
5 departures · 96.9% load
62.5% - Boeing 737-800
3 departures · 93.3% load
37.5%
How has SJU–STL traffic changed?
Nonstop SJU–STL departures rose from 2 in August 2025 to 8 in July 2026.
Monthly nonstop SJU–STL traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
2 departures · 342 passengers
97.7%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
8 departures · 1,203 passengers
85.9%
Load
December 2025
8 departures · 1,104 passengers
78.9%
Load
January 2026
8 departures · 1,277 passengers
91.2%
Load
February 2026
8 departures · 1,263 passengers
90.2%
Load
March 2026
10 departures · 1,559 passengers
86.6%
Load
April 2026
3 departures · 507 passengers
92.2%
Load
May 2026
0 departures · 0 passengers
—
Load
June 2026
8 departures · 1,308 passengers
93.4%
Load
July 2026
8 departures · 1,338 passengers
95.6%
Load
By direction
Each direction is filed separately — they rarely match.
SJU → STL
96.0% full
4 departures · 672 passengers
STL → SJU
95.1% full
4 departures · 666 passengers
Nonstop SJU–STL 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 San Juan (SJU) from St Louis (STL)?
SJU to STL is 2,026 miles (3,260 km / 1,760 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SJU to STL?
A nonstop covers the 2,026-mile great-circle distance in roughly 4h 51m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SJU–STL?
In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (62.5%), followed by the Boeing 737-800 (37.5%).
What mileage do I earn flying SJU–STL?
Distance-based programs credit off the 2,026-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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