🇺🇸 IAH
Houston
1875 mi
SEA 🇺🇸
Seattle

Houston to Seattle Flights

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

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The Houston to Seattle route connects George Bush Intercontinental Houston Airport (IAH) in US with Seattle–Tacoma International Airport (SEA) 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: Alaska Airlines, United, GTI. AirportRoutes has tracked 8 unique flight numbers on this route.

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Departure Airport

George Bush Intercontinental Houston Airport

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

Destination Airport

Seattle–Tacoma International Airport

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

3

Operators

8

Tracked Flights

1875

Miles

4h 3m

Flight Duration

Route Map

Operating Airlines

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

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 6 12%
Tuesday 7 14%
Wednesday 7 14%
Thursday 6 12%
Friday 8 16%
Saturday 9 18%
Sunday 6 12%

Pattern Analysis

8 Tracked Flights:
Data Points: 49
API observations used to build this analysis
Weekdays: 34 flights
Weekend: 15 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
B39M 06:00 6:00 AM (Representative)
M T W T F S S
Jun 18, 2026 Active
Atlas Air
GTI / 5Y
B763 05:10 5:10 AM (Representative)
M T W T F S S
Jun 18, 2026 Active
United
UAL / UA
B38M 16:25 4:25 PM (Representative)
M T W T F S S
Jun 18, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
05:10 5:10 AM Atlas Air GTI 5Y
06:00 6:00 AM Alaska Airlines ASA AS
16:25 4:25 PM United UAL UA

Time Information

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

Total Departure Times: 3
Time Range:
05:10 - 16:25
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.