Lewiston (LWS) to Seattle (SEA) flights

SkyWest Airlines flies nonstop from Lewiston Nez Perce County Airport to Seattle-Tacoma International Airport, with about 7 flights a week in July 2026. The 262-mile flight takes about 1h 26m gate to gate.

From
LWS
Lewiston
Lewiston Nez Perce County Airport
To
SEA
Seattle
Seattle-Tacoma International Airport
Distance
262 mi · 422 km
Flight time
1h 26m
Airlines
1
Seats filled
70%
Flights a week, July 2026
360 flights and 18,071 passengers in 12 months
SEASEALWS
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying LWS to SEA

AirlineFlights a weekAircraftPassengers (12 months)Flight time
SkyWest Airlines7Embraer E17518,0711h 26m

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

LWS to SEA flight schedule

1 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 9:23am and the last at 9:23am. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
DL 3749Delta Air Lines · operated by SkyWest Airlines9:23am10:53am3188%

Is LWS to SEA on time?

From September 2025 to August 2026, 88% of 365 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 6am were the most punctual (98%), those around 9am the least (77%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (65%).

AirlineFlightsOn timeAverage delayCancelled
Delta Air Lines36588%9 min0.3%

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
6am to 7am60
98%
7am to 8am188
88%
8am to 9am31
97%
9am to 10am86
77%

Flights by month

MonthFlightsFlights, relativePassengers
August 202530
1,586
September 202530
1,661
October 202531
1,716
November 202530
1,686
December 202530
1,652
January 202630
1,538
February 202628
1,387
March 202629
1,372
April 202630
1,269
May 202631
1,562
June 202630
1,257
July 202631
1,385

Related

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