Seattle-Tacoma International ⇄ Harry Reid International SEA–LAS
Airlines flew 11,172 flights between Seattle-Tacoma International SEA in Seattle, WA and Harry Reid International LAS in Las Vegas, NV 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 120 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.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 979 |
| 2/25 | 866 |
| 3/25 | 1,011 |
| 4/25 | 1,017 |
| 5/25 | 1,131 |
| 6/25 | 1,047 |
| 7/25 | 1,034 |
| 8/25 | 985 |
| 9/25 | 888 |
| 10/25 | 949 |
| 11/25 | 877 |
| 12/25 | 934 |
| 1/26 | 915 |
| 2/26 | 827 |
| 3/26 | 934 |
| 4/26 | 948 |
| 5/26 | 984 |
| 6/26 | 955 |
| 7/26 | 976 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 132,607 |
| 2/25 | 118,643 |
| 3/25 | 143,201 |
| 4/25 | 149,206 |
| 5/25 | 156,993 |
| 6/25 | 148,849 |
| 7/25 | 156,635 |
| 8/25 | 147,979 |
| 9/25 | 128,359 |
| 10/25 | 136,228 |
| 11/25 | 123,226 |
| 12/25 | 132,618 |
| 1/26 | 123,846 |
| 2/26 | 115,390 |
| 3/26 | 134,173 |
| 4/26 | 136,124 |
| 5/26 | 144,843 |
| 6/26 | 136,512 |
| 7/26 | 138,026 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 5,201 | 756,782 | 84% | scheduled passenger service |
| Delta Air Lines Inc. DL | 3,464 | 468,704 | 81% | charter passenger service, scheduled passenger service |
| Southwest Airlines Co. WN | 1,947 | 269,775 | 85% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 514 | 96,069 | 83% | scheduled passenger service |
| Spirit Air Lines NK | 24 | 4,497 | 82% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 18 | 968 | 71% | scheduled passenger service |
| United Air Lines Inc. UA | 2 | 385 | 75% | charter passenger service |
| Envoy Air MQ | 1 | 74 | 97% | scheduled passenger service |
| Horizon Air QX | 1 | 70 | 92% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 3,657 | 162 | 492,938 |
| Boeing 737-900ER | 3,300 | 179 | 488,029 |
| Boeing B737 Max 900 | 1,750 | 178 | 261,143 |
| Boeing B737 Max 800 | 988 | 172 | 142,806 |
| Boeing 737-700/700LR/Max 7 | 679 | 140 | 81,106 |
| Airbus Industrie A321-200n | 438 | 230 | 81,006 |
| Airbus Industrie A320-100/200 | 114 | 161 | 14,020 |
| Airbus Industrie A320-200n | 109 | 186 | 17,536 |
| Airbus Industrie A321Neoxlr | 58 | 230 | 11,342 |
| A200-100 BD-500-1A10 | 21 | 109 | 2,076 |
| Embraer ERJ-175 | 20 | 75 | 1,112 |
| A220-300 BD-500-1A11 | 16 | 130 | 1,935 |
| Boeing 757-200 | 11 | 72 | 409 |
| Boeing 737-900 | 7 | 178 | 1,151 |
| Airbus Industrie A330-900 | 2 | 281 | 330 |
| B787-900 Dreamliner | 2 | 257 | 385 |
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.
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.
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: Seattle-Tacoma International SEA and Harry Reid International LAS; all routes.