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

Seattle-Tacoma International ⇄ Tucson International SEA–TUS

Airlines flew 2,136 flights between Seattle-Tacoma International SEA in Seattle, WA and Tucson International TUS in Tucson, AZ in the twelve months to July 2026, both directions together: 229,336 passengers in 282,107 seats, 81% of them filled, and 70,333 pounds of freight. 1,215 miles, about 157 minutes in the air, on 5 airlines: Alaska Airlines Inc. (1,111), SkyWest Airlines Inc. (747), Delta Air Lines Inc. (275), Horizon Air (2) and 1 more. Planning to fly it yourself? The weather and winds along this route right now.

2,136
flights, twelve months
SEA-TUS: 1,073 · TUS-SEA: 1,063
229,336
passengers
81% of seats filled
1,215
miles
about 157 minutes airborne
5
airlines
8 aircraft types

Flights by month both directions

047941421891/254/257/2510/251/264/261887/26
By month, as a table
flights
1/25179
2/25158
3/25180
4/25181
5/25186
6/25181
7/25187
8/25189
9/25182
10/25166
11/25177
12/25175
1/26179
2/26160
3/26175
4/26180
5/26185
6/26180
7/26188

Passengers by month

05,84411,68717,53023,3741/254/257/2510/251/264/2617,6107/26
By month, as a table
passengers
1/2520,518
2/2520,774
3/2523,374
4/2522,475
5/2518,453
6/2516,535
7/2517,352
8/2517,706
9/2516,365
10/2518,023
11/2519,087
12/2520,303
1/2619,958
2/2620,652
3/2622,487
4/2622,354
5/2618,296
6/2616,495
7/2617,610

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Alaska Airlines Inc. AS1,111154,05979%charter passenger service, scheduled passenger service
SkyWest Airlines Inc. OO74748,85586%scheduled passenger service
Delta Air Lines Inc. DL27526,27687%scheduled passenger service
Horizon Air QX28153%scheduled passenger service
Envoy Air MQ16586%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1757507649,001
Boeing 737-900ER52217873,161
Boeing B737 Max 90043717860,877
A200-100 BD-500-1A1026110924,843
Boeing 737-80013016017,301
Boeing B737 Max 800201602,641
A220-300 BD-500-1A11121301,119
Boeing 737-700/700LR/Max 74124393

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

1,073 flights of 1,069 scheduled, 115,224 passengers in 141,790 seats, 57,991 pounds of freight. Alaska Airlines Inc. 558; SkyWest Airlines Inc. 374; Delta Air Lines Inc. 139; Envoy Air 1; Horizon Air 1.

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

1,063 flights of 1,066 scheduled, 114,112 passengers in 140,317 seats, 12,342 pounds of freight. Alaska Airlines Inc. 553; SkyWest Airlines Inc. 373; Delta Air Lines Inc. 136; Horizon Air 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 Tucson International TUS; all routes.