Houston (IAH) to Santa Ana (SNA)
Flight time
≈ 3h 29m
Bearing
287° W
Houston (IAH) to Santa Ana (SNA) is 1,344 miles (2,163 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAH–SNA
US DOT T-100 · filed dataIn April 2026, United Airlines was the only carrier flying nonstop IAH–SNA; the Boeing 737 MAX 8 was the most common aircraft at 97% of departures; flights ran 85% full.
Departures
180
April 2026
Seats
29,880
both directions
Passengers
25,466
both directions
Load factor
85.2%
passengers ÷ seats
Who flies IAH–SNA?
United Airlines was the only carrier to fly nonstop IAH–SNA in April 2026 (180 departures).
- UA
United Airlines
180 departures · 29,880 seats
Share of departures100.0%85.2%
Load
What plane flies IAH–SNA?
In April 2026, the Boeing 737 MAX 8 flew 97% of IAH–SNA departures — more than any other aircraft type.
- Boeing 737 MAX 8
175 departures · 85.7% load
97.2% - Boeing 737-800
5 departures · 70.6% load
2.8%
How has IAH–SNA traffic changed?
Nonstop IAH–SNA departures fell from 184 in May 2025 to 180 in April 2026.
Monthly nonstop IAH–SNA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
184 departures · 24,251 passengers
89.3%
Load
June 2025
175 departures · 23,582 passengers
93.4%
Load
July 2025
181 departures · 21,458 passengers
91.5%
Load
August 2025
183 departures · 21,847 passengers
83.1%
Load
September 2025
180 departures · 23,272 passengers
80.0%
Load
October 2025
184 departures · 23,982 passengers
84.7%
Load
November 2025
176 departures · 22,929 passengers
82.2%
Load
December 2025
186 departures · 24,806 passengers
84.1%
Load
January 2026
186 departures · 23,228 passengers
85.0%
Load
February 2026
168 departures · 22,185 passengers
88.4%
Load
March 2026
184 departures · 26,726 passengers
88.4%
Load
April 2026
180 departures · 25,466 passengers
85.2%
Load
By direction
The DOT files each direction separately — they rarely match.
IAH → SNA
86.2% full
90 departures · 12,878 passengers
SNA → IAH
84.3% full
90 departures · 12,588 passengers
Nonstop IAH–SNA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Santa Ana
US
John Wayne Orange County International Airport
Coordinates
33.68°N, 117.87°W
Hemisphere
N · W
Frequently asked
How far is Houston (IAH) from Santa Ana (SNA)?
IAH to SNA is 1,344 miles (2,163 km / 1,168 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAH to SNA?
A nonstop covers the 1,344-mile great-circle distance in roughly 3h 29m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAH–SNA?
In April 2026, the Boeing 737 MAX 8 flew the largest share of departures (97.2%), followed by the Boeing 737-800 (2.8%).
What mileage do I earn flying IAH–SNA?
Distance-based programs credit off the 1,344-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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