Houston (HOU) to Seattle (SEA)
Flight time
≈ 4h 35m
Bearing
318° NW
Houston (HOU) to Seattle (SEA) is 1,892 miles (3,046 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–SEA
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop HOU–SEA; the Boeing 737 MAX 8 was the most common aircraft at 60% of departures; flights ran 95% full.
Departures
62
July 2026
Seats
10,850
both directions
Passengers
10,271
both directions
Load factor
94.7%
RPM ÷ ASM
Who flies HOU–SEA?
Southwest Airlines was the only carrier to fly nonstop HOU–SEA in July 2026 (62 departures).
- WN
62 departures · 10,850 seats
Share of departures100.0%94.7%
Load
What plane flies HOU–SEA?
In July 2026, the Boeing 737 MAX 8 flew 60% of HOU–SEA departures — more than any other aircraft type.
- Boeing 737 MAX 8
37 departures · 93.8% load
59.7% - Boeing 737-800
25 departures · 95.9% load
40.3%
How has HOU–SEA traffic changed?
Nonstop HOU–SEA departures fell from 63 in August 2025 to 62 in July 2026.
Monthly nonstop HOU–SEA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
63 departures · 8,773 passengers
89.9%
Load
September 2025
60 departures · 6,820 passengers
75.3%
Load
October 2025
2 departures · 180 passengers
56.6%
Load
November 2025
0 departures · 0 passengers
—
Load
December 2025
0 departures · 0 passengers
—
Load
January 2026
0 departures · 0 passengers
—
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
0 departures · 0 passengers
—
Load
April 2026
0 departures · 0 passengers
—
Load
May 2026
0 departures · 0 passengers
—
Load
June 2026
54 departures · 8,573 passengers
90.7%
Load
July 2026
62 departures · 10,271 passengers
94.7%
Load
By direction
Each direction is filed separately — they rarely match.
HOU → SEA
93.9% full
31 departures · 5,095 passengers
SEA → HOU
95.4% full
31 departures · 5,176 passengers
Nonstop HOU–SEA 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
Frequently asked
How far is Houston (HOU) from Seattle (SEA)?
HOU to SEA is 1,892 miles (3,046 km / 1,644 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to SEA?
A nonstop covers the 1,892-mile great-circle distance in roughly 4h 35m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HOU–SEA?
In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (59.7%), followed by the Boeing 737-800 (40.3%).
What mileage do I earn flying HOU–SEA?
Distance-based programs credit off the 1,892-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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