Phoenix Sky Harbor International ⇄ Seattle-Tacoma International PHX–SEA
Airlines flew 14,355 flights between Phoenix Sky Harbor International PHX in Phoenix, AZ and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 1,814,127 passengers in 2,163,012 seats, 84% of them filled, and 2,252,350 pounds of freight. 1,107 miles, about 157 minutes in the air, on 11 airlines: Alaska Airlines Inc. (5,734), Delta Air Lines Inc. (3,500), Southwest Airlines Co. (2,065), Envoy Air (1,502) and 7 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 | 1,201 |
| 2/25 | 1,136 |
| 3/25 | 1,372 |
| 4/25 | 1,332 |
| 5/25 | 1,306 |
| 6/25 | 1,237 |
| 7/25 | 1,236 |
| 8/25 | 1,164 |
| 9/25 | 1,077 |
| 10/25 | 1,194 |
| 11/25 | 1,178 |
| 12/25 | 1,252 |
| 1/26 | 1,161 |
| 2/26 | 1,128 |
| 3/26 | 1,337 |
| 4/26 | 1,330 |
| 5/26 | 1,242 |
| 6/26 | 1,142 |
| 7/26 | 1,150 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 138,185 |
| 2/25 | 140,013 |
| 3/25 | 175,783 |
| 4/25 | 169,575 |
| 5/25 | 162,753 |
| 6/25 | 155,526 |
| 7/25 | 161,485 |
| 8/25 | 151,802 |
| 9/25 | 136,232 |
| 10/25 | 151,235 |
| 11/25 | 142,798 |
| 12/25 | 156,219 |
| 1/26 | 137,623 |
| 2/26 | 143,593 |
| 3/26 | 178,501 |
| 4/26 | 165,994 |
| 5/26 | 154,424 |
| 6/26 | 148,471 |
| 7/26 | 147,235 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 5,734 | 849,976 | 85% | scheduled passenger service |
| Delta Air Lines Inc. DL | 3,500 | 437,037 | 81% | charter passenger service, scheduled passenger service |
| Southwest Airlines Co. WN | 2,065 | 288,618 | 85% | scheduled passenger service |
| Envoy Air MQ | 1,502 | 98,405 | 86% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 883 | 53,405 | 84% | scheduled passenger service |
| American Airlines Inc. AA | 394 | 44,114 | 82% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 272 | 41,981 | 81% | scheduled passenger service |
| Atlas Air Inc. 5Y | 2 | 344 | 91% | charter passenger service |
| Horizon Air QX | 1 | 48 | 63% | scheduled passenger service |
| United Air Lines Inc. UA | 1 | 63 | 35% | charter passenger service |
| Aeromexico AM | 1 | 136 | 82% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 3,618 | 162 | 484,716 |
| Boeing 737-900ER | 3,029 | 178 | 451,630 |
| Boeing B737 Max 900 | 2,073 | 178 | 313,169 |
| Embraer ERJ-175 | 2,053 | 76 | 133,844 |
| Boeing B737 Max 800 | 1,064 | 173 | 154,529 |
| A220-300 BD-500-1A11 | 621 | 130 | 71,288 |
| Boeing 737-700/700LR/Max 7 | 597 | 139 | 72,148 |
| Canadair RJ-700 | 327 | 65 | 17,655 |
| Airbus Industrie A319 | 263 | 128 | 27,946 |
| A200-100 BD-500-1A10 | 261 | 109 | 24,177 |
| Airbus Industrie A320-200n | 222 | 186 | 33,467 |
| Airbus Industrie A320-100/200 | 127 | 153 | 16,442 |
| Airbus Industrie A321-200n | 67 | 207 | 9,979 |
| Airbus Industrie A321Neoxlr | 12 | 200 | 1,307 |
| Boeing 757-200 | 8 | 72 | 350 |
| Canadair CRJ 900 | 6 | 76 | 359 |
| Boeing 737-900 | 5 | 178 | 777 |
| Boeing 747-400 | 2 | 189 | 344 |
PHX → SEA this direction alone · flown January 2025 to July 2026
7,191 flights of 7,250 scheduled, 908,603 passengers in 1,083,169 seats, 1,281,263 pounds of freight, 144,100 pounds of mail. Alaska Airlines Inc. 2,866; Delta Air Lines Inc. 1,754; Southwest Airlines Co. 1,037; Envoy Air 752; SkyWest Airlines Inc. 442; American Airlines Inc. 198; Frontier Airlines Inc. 139; Atlas Air Inc. 1; Horizon Air 1; United Air Lines Inc. 1.
SEA → PHX this direction alone · flown January 2025 to July 2026
7,164 flights of 7,242 scheduled, 905,524 passengers in 1,079,843 seats, 971,087 pounds of freight, 133,301 pounds of mail. Alaska Airlines Inc. 2,868; Delta Air Lines Inc. 1,746; Southwest Airlines Co. 1,028; Envoy Air 750; SkyWest Airlines Inc. 441; American Airlines Inc. 196; Frontier Airlines Inc. 133; Atlas Air Inc. 1; Aeromexico 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: Phoenix Sky Harbor International PHX and Seattle-Tacoma International SEA; all routes.