🇺🇸 SEA
Seattle
1875 mi
IAH 🇺🇸
Houston

Seattle to Houston Flights

Seattle–Tacoma International Airport George Bush Intercontinental Houston Airport 3 airlines

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The Seattle to Houston route connects Seattle–Tacoma International Airport (SEA) in US with George Bush Intercontinental Houston Airport (IAH) in US. This medium-haul flight covers approximately 1875 miles (3018 km) with a typical flight time of 4h 3m. This route is served by 3 airlines: United, Alaska Airlines, Atlas Air. AirportRoutes has tracked 11 unique flight numbers on this route.

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Departure Airport

Seattle–Tacoma International Airport

ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

Destination Airport

George Bush Intercontinental Houston Airport

ICAO Code:
KIAH
IATA Code:
IAH
City:
🇺🇸 Houston
Country:
US
Elevation:
97 ft

3

Operators

11

Tracked Flights

1875

Miles

4h 3m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
Alaska Airlines ASA AS
Atlas Air GTI 5Y

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 11 15%
Tuesday 9 12%
Wednesday 8 11%
Thursday 11 15%
Friday 9 12%
Saturday 10 14%
Sunday 14 19%

Pattern Analysis

11 Tracked Flights:
Data Points: 72
API observations used to build this analysis
Weekdays: 48 flights
Weekend: 24 flights
Business Route More active on weekdays

All Flight Routes

3 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
B739 23:59 11:59 PM (Representative)
M T W T F S S
Jun 19, 2026 Active
Atlas Air
GTI / 5Y
B744 03:25 3:25 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
United
UAL / UA
B38M 05:00 5:00 AM (Representative)
M T W T F S S
Jun 19, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
03:25 3:25 AM Atlas Air GTI 5Y
05:00 5:00 AM United UAL UA
23:59 11:59 PM Alaska Airlines ASA AS

Time Information

Times are shown in the departure airport's local timezone (KSEA - America/Los_Angeles).

Total Departure Times: 3
Time Range:
03:25 - 23:59
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.