Seattle (SEA) to Sacramento (SMF) flights

Alaska Airlines, SkyWest Airlines, Southwest Airlines, Horizon Air fly nonstop from Seattle-Tacoma International Airport to Sacramento International Airport, with about 99 flights a week in July 2026. The 605-mile flight takes about 1h 52m gate to gate.

From
SEA
Seattle
Seattle-Tacoma International Airport
To
SMF
Sacramento
Sacramento International Airport
Distance
605 mi · 974 km
Flight time
1h 52m
Airlines
4
Seats filled
78%
Flights a week, July 2026
4,539 flights and 432,636 passengers in 12 months
SMFSMFSEA
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying SEA to SMF

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Alaska Airlines37Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800181,9761h 52m
SkyWest Airlines35Embraer E175113,6801h 57m
Southwest Airlines25Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800125,1201h 45m
Horizon Air2Embraer E17511,8601h 48m

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

SEA to SMF flight schedule

25 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 5:30am and the last at 9:18pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 3542Southwest Airlines5:30am7:15am2893%
AS 1461Alaska Airlines7:18am9:17am1191%
AS 682Alaska Airlines7:28am9:26am1896%
DL 3881Delta Air Lines · operated by SkyWest Airlines8:43am10:48am3191%
WN 3543Southwest Airlines9:45am11:40am2085%
AS 1380Alaska Airlines10:01am12:01pm1867%
DL 4125Delta Air Lines · operated by SkyWest Airlines10:02am12:11pm3191%
AS 763Alaska Airlines10:04am12:06pm1375%
AS 1428Alaska Airlines11:55am1:57pm1874%
AS 288Alaska Airlines11:57am2:01pm1362%
WN 4652Southwest Airlines12:25pm2:25pm4n/a
WN 888Southwest Airlines1:50pm3:55pm4n/a
AS 681Alaska Airlines2:16pm4:11pm2682%
AS 2401Alaska Airlines · operated by Horizon Air2:44pm4:37pm545%
DL 4153Delta Air Lines · operated by SkyWest Airlines2:47pm4:48pm3187%
WN 3544Southwest Airlines3:25pm5:20pm2471%
WN 1665Southwest Airlines4:45pm6:40pm4n/a
DL 4043Delta Air Lines · operated by SkyWest Airlines5:00pm6:59pm3189%
WN 159Southwest Airlines5:20pm7:15pm4n/a
WN 2208Southwest Airlines6:10pm8:10pm1258%
AS 638Alaska Airlines7:23pm9:16pm1871%
AS 691Alaska Airlines7:53pm9:48pm1385%
DL 4131Delta Air Lines · operated by SkyWest Airlines8:40pm10:40pm3188%
AS 1427Alaska Airlines8:55pm10:48pm1165%
AS 795Alaska Airlines9:18pm11:13pm8n/a

Is SEA to SMF on time?

From September 2025 to August 2026, 82% of 4,573 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 8am were the most punctual (92%), those around 11am the least (70%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (46%).

AirlineFlightsOn timeAverage delayCancelled
Alaska Airlines1,78781%10 min0.8%
Delta Air Lines1,64790%7 min0.2%
Southwest Airlines1,13973%14 min0.4%

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 6am217
97%
6am to 7am148
94%
7am to 8am215
90%
8am to 9am370
92%
9am to 10am330
88%
10am to 11am368
84%
11am to 12pm291
70%
12pm to 1pm291
88%
1pm to 2pm100
77%
2pm to 3pm282
81%
3pm to 4pm126
79%
4pm to 5pm405
80%
5pm to 6pm156
81%
6pm to 7pm163
72%
7pm to 8pm543
77%
8pm to 9pm248
77%
9pm to 10pm298
75%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025426
45,118
September 2025398
38,654
October 2025401
36,971
November 2025373
31,240
December 2025342
32,757
January 2026315
27,132
February 2026303
27,985
March 2026362
32,578
April 2026369
34,261
May 2026396
37,110
June 2026418
42,322
July 2026437
46,614

Related

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