Pittsburgh International ⇄ Seattle-Tacoma International PIT–SEA
Airlines flew 939 flights between Pittsburgh International PIT in Pittsburgh, PA and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 133,238 passengers in 164,986 seats, 81% of them filled, and 195,473 pounds of freight. 2,125 miles, about 289 minutes in the air, on 3 airlines: Alaska Airlines Inc. (936), Atlas Air Inc. (2), United Air Lines Inc. (1). 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 | 33 |
| 2/25 | 42 |
| 3/25 | 54 |
| 4/25 | 61 |
| 5/25 | 98 |
| 6/25 | 120 |
| 7/25 | 125 |
| 8/25 | 116 |
| 9/25 | 106 |
| 10/25 | 65 |
| 11/25 | 52 |
| 12/25 | 58 |
| 1/26 | 43 |
| 2/26 | 41 |
| 3/26 | 53 |
| 4/26 | 60 |
| 5/26 | 101 |
| 6/26 | 121 |
| 7/26 | 123 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 4,182 |
| 2/25 | 5,011 |
| 3/25 | 7,309 |
| 4/25 | 8,437 |
| 5/25 | 13,423 |
| 6/25 | 17,539 |
| 7/25 | 19,273 |
| 8/25 | 18,137 |
| 9/25 | 14,187 |
| 10/25 | 9,131 |
| 11/25 | 7,068 |
| 12/25 | 8,372 |
| 1/26 | 5,753 |
| 2/26 | 5,110 |
| 3/26 | 7,605 |
| 4/26 | 8,365 |
| 5/26 | 13,235 |
| 6/26 | 17,566 |
| 7/26 | 18,709 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Alaska Airlines Inc. AS | 936 | 132,944 | 81% | scheduled passenger service |
| Atlas Air Inc. 5Y | 2 | 180 | 32% | charter passenger service |
| United Air Lines Inc. UA | 1 | 114 | 69% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-900ER | 419 | 178 | 60,811 |
| Boeing B737 Max 900 | 384 | 178 | 55,091 |
| Boeing 737-800 | 119 | 160 | 15,166 |
| Boeing B737 Max 800 | 15 | 160 | 1,990 |
| Boeing 747-400 | 2 | 282 | 180 |
PIT → SEA this direction alone · flown January 2025 to July 2026
468 flights of 468 scheduled, 64,914 passengers in 82,315 seats, 89,125 pounds of freight, 25,580 pounds of mail. Alaska Airlines Inc. 467; Atlas Air Inc. 1.
SEA → PIT this direction alone · flown January 2025 to July 2026
471 flights of 469 scheduled, 68,324 passengers in 82,671 seats, 106,348 pounds of freight, 18,953 pounds of mail. Alaska Airlines Inc. 469; Atlas Air Inc. 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: Pittsburgh International PIT and Seattle-Tacoma International SEA; all routes.