Spokane (GEG) to Seattle (SEA) flights

SkyWest Airlines, Horizon Air, Alaska Airlines, Delta Air Lines fly nonstop from Spokane International Airport to Seattle-Tacoma International Airport, with about 115 flights a week in July 2026. The 224-mile flight takes about 1h 16m gate to gate.

From
GEG
Spokane
Spokane International Airport
To
SEA
Seattle
Seattle-Tacoma International Airport
Distance
224 mi · 360 km
Flight time
1h 16m
Airlines
4
Seats filled
79%
Flights a week, July 2026
6,188 flights and 500,550 passengers in 12 months
SEASEAGEG
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying GEG to SEA

AirlineFlights a weekAircraftPassengers (12 months)Flight time
SkyWest Airlines52Embraer E175, Bombardier CRJ700172,3931h 20m
Horizon Air28Embraer E17578,7791h 10m
Alaska Airlines28Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800219,6671h 15m
Delta Air Lines7Airbus A220-300, Airbus A220-100, Boeing 737-80029,7111h 12m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

GEG to SEA flight schedule

25 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 5:07am and the last at 8:33pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
AS 2065Alaska Airlines · operated by Horizon Air5:07am6:15am1893%
DL 2218Delta Air Lines5:15am6:30am3193%
AS 534Alaska Airlines5:52am7:09am13100%
AS 279Alaska Airlines6:13am7:24am1896%
AS 360Alaska Airlines7:03am8:20am1391%
DL 3790Delta Air Lines · operated by SkyWest Airlines7:05am8:29am3191%
AS 364Alaska Airlines7:23am8:34am1877%
AS 320Alaska Airlines8:31am9:48am1384%
AS 2069Alaska Airlines · operated by Horizon Air9:06am10:18am3174%
DL 3830Delta Air Lines · operated by SkyWest Airlines9:25am10:55am3182%
DL 3824Delta Air Lines · operated by SkyWest Airlines11:09am12:35pm3188%
AS 2262Alaska Airlines · operated by Horizon Air11:40am12:50pm1786%
AS 3143Alaska Airlines · operated by SkyWest Airlines11:45am1:02pm1392%
DL 3754Delta Air Lines · operated by SkyWest Airlines1:00pm2:27pm3186%
AS 293Alaska Airlines1:26pm2:40pm1854%
AS 455Alaska Airlines1:27pm2:41pm1380%
AS 2119Alaska Airlines · operated by Horizon Air2:39pm3:49pm1362%
AS 423Alaska Airlines3:44pm4:56pm1362%
DL 4165Delta Air Lines · operated by SkyWest Airlines4:20pm5:45pm3186%
DL 3857Delta Air Lines · operated by SkyWest Airlines5:40pm7:04pm3191%
AS 3306Alaska Airlines · operated by SkyWest Airlines5:44pm7:03pm1279%
AS 2349Alaska Airlines · operated by Horizon Air6:21pm7:33pm1383%
AS 371Alaska Airlines7:45pm8:59pm1841%
DL 3832Delta Air Lines · operated by SkyWest Airlines7:54pm9:19pm2688%
AS 2281Alaska Airlines · operated by Horizon Air8:33pm9:45pm8n/a

Is GEG to SEA on time?

From September 2025 to August 2026, 85% of 6,157 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 6am were the most punctual (95%), those around 7pm the least (77%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (42%).

AirlineFlightsOn timeAverage delayCancelled
Alaska Airlines3,27281%11 min1.5%
Delta Air Lines2,88589%9 min0.8%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
5am to 6am671
93%
6am to 7am467
95%
7am to 8am696
88%
8am to 9am137
87%
9am to 10am638
80%
10am to 11am165
85%
11am to 12pm601
88%
1pm to 2pm645
80%
2pm to 3pm138
77%
3pm to 4pm442
88%
4pm to 5pm213
79%
5pm to 6pm403
85%
7pm to 8pm599
77%
8pm to 9pm162
77%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025586
45,089
September 2025556
41,188
October 2025564
44,066
November 2025498
41,420
December 2025504
43,861
January 2026492
43,485
February 2026469
41,908
March 2026498
44,074
April 2026477
36,875
May 2026535
40,119
June 2026499
38,044
July 2026512
40,668

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.