Houston (HOU) to San Diego (SAN)
Flight time
≈ 3h 25m
Bearing
285° W
Houston (HOU) to San Diego (SAN) is 1,310 miles (2,109 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–SAN
Filed traffic dataIn May 2026, Southwest Airlines was the only carrier flying nonstop HOU–SAN; the Boeing 737 MAX 8 was the most common aircraft at 49% of departures; flights ran 77% full.
Departures
173
May 2026
Seats
29,249
both directions
Passengers
22,410
both directions
Load factor
76.6%
RPM ÷ ASM
Who flies HOU–SAN?
Southwest Airlines was the only carrier to fly nonstop HOU–SAN in May 2026 (173 departures).
- WN
173 departures · 29,249 seats
Share of departures100.0%76.6%
Load
What plane flies HOU–SAN?
In May 2026, the Boeing 737 MAX 8 flew 49% of HOU–SAN departures — more than any other aircraft type.
- Boeing 737 MAX 8
84 departures · 71.0% load
48.5% - Boeing 737-800
62 departures · 81.3% load
35.8% - Boeing 737-700
27 departures · 85.0% load
15.6%
How has HOU–SAN traffic changed?
Nonstop HOU–SAN departures rose from 166 in June 2025 to 173 in May 2026.
Monthly nonstop HOU–SAN traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
166 departures · 21,539 passengers
81.0%
Load
July 2025
180 departures · 22,958 passengers
79.0%
Load
August 2025
133 departures · 17,316 passengers
80.7%
Load
September 2025
119 departures · 15,656 passengers
81.7%
Load
October 2025
176 departures · 21,145 passengers
72.9%
Load
November 2025
166 departures · 19,514 passengers
67.3%
Load
December 2025
181 departures · 21,971 passengers
69.4%
Load
January 2026
143 departures · 15,622 passengers
65.1%
Load
February 2026
141 departures · 15,932 passengers
69.4%
Load
March 2026
167 departures · 21,252 passengers
74.5%
Load
April 2026
171 departures · 21,464 passengers
74.1%
Load
May 2026
173 departures · 22,410 passengers
76.6%
Load
By direction
Each direction is filed separately — they rarely match.
SAN → HOU
72.3% full
88 departures · 10,855 passengers
HOU → SAN
81.2% full
85 departures · 11,555 passengers
Nonstop HOU–SAN 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
Frequently asked
How far is Houston (HOU) from San Diego (SAN)?
HOU to SAN is 1,310 miles (2,109 km / 1,139 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to SAN?
A nonstop covers the 1,310-mile great-circle distance in roughly 3h 25m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HOU–SAN?
In May 2026, the Boeing 737 MAX 8 flew the largest share of departures (48.5%), followed by the Boeing 737-800 (35.8%).
What mileage do I earn flying HOU–SAN?
Distance-based programs credit off the 1,310-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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