Baltimore (BWI) to San Antonio (SAT)
Flight time
≈ 3h 37m
Bearing
248° W
Baltimore (BWI) to San Antonio (SAT) is 1,406 miles (2,262 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BWI–SAT
Filed traffic dataIn May 2026, Southwest Airlines was the only carrier flying nonstop BWI–SAT; the Boeing 737 MAX 8 was the most common aircraft at 62% of departures; flights ran 77% full.
Departures
104
May 2026
Seats
18,200
both directions
Passengers
13,947
both directions
Load factor
76.6%
RPM ÷ ASM
Who flies BWI–SAT?
Southwest Airlines was the only carrier to fly nonstop BWI–SAT in May 2026 (104 departures).
- WN
104 departures · 18,200 seats
Share of departures100.0%76.6%
Load
What plane flies BWI–SAT?
In May 2026, the Boeing 737 MAX 8 flew 62% of BWI–SAT departures — more than any other aircraft type.
- Boeing 737 MAX 8
64 departures · 78.2% load
61.5% - Boeing 737-800
40 departures · 74.2% load
38.5%
How has BWI–SAT traffic changed?
Nonstop BWI–SAT departures fell from 171 in June 2025 to 104 in May 2026.
Monthly nonstop BWI–SAT traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
171 departures · 21,598 passengers
77.0%
Load
July 2025
166 departures · 20,214 passengers
75.2%
Load
August 2025
139 departures · 16,235 passengers
71.2%
Load
September 2025
139 departures · 16,098 passengers
70.4%
Load
October 2025
150 departures · 18,940 passengers
73.9%
Load
November 2025
121 departures · 13,838 passengers
67.2%
Load
December 2025
140 departures · 17,374 passengers
72.6%
Load
January 2026
74 departures · 7,832 passengers
65.8%
Load
February 2026
64 departures · 6,369 passengers
58.3%
Load
March 2026
102 departures · 12,488 passengers
70.0%
Load
April 2026
103 departures · 12,016 passengers
66.7%
Load
May 2026
104 departures · 13,947 passengers
76.6%
Load
By direction
Each direction is filed separately — they rarely match.
BWI → SAT
77.3% full
52 departures · 7,030 passengers
SAT → BWI
76.0% full
52 departures · 6,917 passengers
Nonstop BWI–SAT 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
Baltimore
US
Baltimore/Washington International Thurgood Marshall Airport
Coordinates
39.18°N, 76.67°W
Hemisphere
N · W
Frequently asked
How far is Baltimore (BWI) from San Antonio (SAT)?
BWI to SAT is 1,406 miles (2,262 km / 1,221 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BWI to SAT?
A nonstop covers the 1,406-mile great-circle distance in roughly 3h 37m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BWI–SAT?
In May 2026, the Boeing 737 MAX 8 flew the largest share of departures (61.5%), followed by the Boeing 737-800 (38.5%).
What mileage do I earn flying BWI–SAT?
Distance-based programs credit off the 1,406-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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