The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Harry Reid International ⇄ Seattle-Tacoma International LAS–SEA

Airlines flew 11,172 flights between Harry Reid International LAS in Las Vegas, NV and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 1,597,324 passengers in 1,920,514 seats, 83% of them filled, and 1,713,150 pounds of freight. 867 miles, about 129 minutes in the air, on 9 airlines: Alaska Airlines Inc. (5,201), Delta Air Lines Inc. (3,464), Southwest Airlines Co. (1,947), Frontier Airlines Inc. (514) and 5 more. Planning to fly it yourself? The weather and winds along this route right now.

11,172
flights, twelve months
LAS-SEA: 5,583 · SEA-LAS: 5,589
1,597,324
passengers
83% of seats filled
867
miles
about 129 minutes airborne
9
airlines
16 aircraft types

Flights by month both directions

02835668481,1311/254/257/2510/251/264/269767/26
By month, as a table
flights
1/25979
2/25866
3/251,011
4/251,017
5/251,131
6/251,047
7/251,034
8/25985
9/25888
10/25949
11/25877
12/25934
1/26915
2/26827
3/26934
4/26948
5/26984
6/26955
7/26976

Passengers by month

039,24878,496117,745156,9931/254/257/2510/251/264/26138,0267/26
By month, as a table
passengers
1/25132,607
2/25118,643
3/25143,201
4/25149,206
5/25156,993
6/25148,849
7/25156,635
8/25147,979
9/25128,359
10/25136,228
11/25123,226
12/25132,618
1/26123,846
2/26115,390
3/26134,173
4/26136,124
5/26144,843
6/26136,512
7/26138,026

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Alaska Airlines Inc. AS5,201756,78284%charter passenger service, scheduled passenger service
Delta Air Lines Inc. DL3,464468,70481%charter passenger service, scheduled passenger service
Southwest Airlines Co. WN1,947269,77585%scheduled passenger service
Frontier Airlines Inc. F951496,06983%scheduled passenger service
Spirit Air Lines NK244,49782%scheduled passenger service
SkyWest Airlines Inc. OO1896871%scheduled passenger service
United Air Lines Inc. UA238575%charter passenger service
Horizon Air QX17092%scheduled passenger service
Envoy Air MQ17497%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8003,657162492,938
Boeing 737-900ER3,300179488,029
Boeing B737 Max 9001,750178261,143
Boeing B737 Max 800988172142,806
Boeing 737-700/700LR/Max 767914081,106
Airbus Industrie A321-200n43823081,006
Airbus Industrie A320-100/20011416114,020
Airbus Industrie A320-200n10918617,536
Airbus Industrie A321Neoxlr5823011,342
A200-100 BD-500-1A10211092,076
Embraer ERJ-17520751,112
A220-300 BD-500-1A11161301,935
Boeing 757-2001172409
Boeing 737-90071781,151
Airbus Industrie A330-9002281330
B787-900 Dreamliner2257385

LAS → SEA this direction alone · flown January 2025 to July 2026

5,583 flights of 5,646 scheduled, 800,956 passengers in 962,020 seats, 830,272 pounds of freight, 114 pounds of mail. Alaska Airlines Inc. 2,598; Delta Air Lines Inc. 1,733; Southwest Airlines Co. 973; Frontier Airlines Inc. 257; Spirit Air Lines 12; SkyWest Airlines Inc. 8; Horizon Air 1; United Air Lines Inc. 1.

SEA → LAS this direction alone · flown January 2025 to July 2026

5,589 flights of 5,656 scheduled, 796,368 passengers in 958,494 seats, 882,878 pounds of freight, 31,251 pounds of mail. Alaska Airlines Inc. 2,603; Delta Air Lines Inc. 1,731; Southwest Airlines Co. 974; Frontier Airlines Inc. 257; Spirit Air Lines 12; SkyWest Airlines Inc. 10; Envoy Air 1; United Air Lines Inc. 1.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Harry Reid International LAS and Seattle-Tacoma International SEA; all routes.