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

Mineta San Jose International ⇄ Seattle-Tacoma International SJC–SEA

Airlines flew 8,845 flights between Mineta San Jose International SJC in San Jose, CA and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 926,762 passengers in 1,168,224 seats, 79% of them filled, and 892,648 pounds of freight. 696 miles, about 105 minutes in the air, on 9 airlines: Alaska Airlines Inc. (3,730), SkyWest Airlines Inc. (3,190), Southwest Airlines Co. (1,809), Horizon Air (85) and 5 more. Planning to fly it yourself? The weather and winds along this route right now.

8,845
flights, twelve months
SJC-SEA: 4,417 · SEA-SJC: 4,428
926,762
passengers
79% of seats filled
696
miles
about 105 minutes airborne
9
airlines
16 aircraft types

Flights by month both directions

02194386568751/254/257/2510/251/264/268757/26
By month, as a table
flights
1/25719
2/25665
3/25737
4/25698
5/25777
6/25815
7/25835
8/25793
9/25745
10/25786
11/25750
12/25706
1/26666
2/26694
3/26649
4/26610
5/26749
6/26822
7/26875

Passengers by month

024,89849,79674,69599,5931/254/257/2510/251/264/2699,5937/26
By month, as a table
passengers
1/2565,157
2/2564,734
3/2574,095
4/2576,123
5/2578,078
6/2591,312
7/2595,911
8/2592,631
9/2578,179
10/2574,095
11/2572,302
12/2572,269
1/2662,933
2/2671,182
3/2668,899
4/2663,962
5/2677,618
6/2693,099
7/2699,593

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Alaska Airlines Inc. AS3,730512,12980%charter passenger service, scheduled passenger service
SkyWest Airlines Inc. OO3,190195,29184%scheduled passenger service
Southwest Airlines Co. WN1,809210,45575%scheduled passenger service
Horizon Air QX855,78990%scheduled passenger service
Delta Air Lines Inc. DL1192636%charter passenger service
United Air Lines Inc. UA71,20568%charter passenger service, scheduled passenger service
American Airlines Inc. AA678568%scheduled passenger service
Atlas Air Inc. 5Y418216%charter passenger service
Sun Country Airlines d/b/a MN Airlines SY300%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1753,27573201,080
Boeing 737-900ER1,304178188,487
Boeing B737 Max 9001,246178174,615
Boeing 737-8001,201163152,377
Boeing 737-700/700LR/Max 71,088140116,173
Boeing B737 Max 80070217090,731
Airbus Industrie A330-300/3335282484
Airbus Industrie A330-2005223442
Boeing 737-9004178655
Airbus Industrie A321-200n4194533
Boeing 747-4004282182
Boeing 777-200ER/200LR/233LR2364394
Airbus Industrie A321Neoxlr2190252
Boeing 757-2001720
Boeing 777-300/300ER/333ER1350208
Airbus Industrie A320-100/2001150149

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

4,417 flights of 4,435 scheduled, 462,437 passengers in 583,800 seats, 491,048 pounds of freight. Alaska Airlines Inc. 1,862; SkyWest Airlines Inc. 1,594; Southwest Airlines Co. 906; Horizon Air 41; Delta Air Lines Inc. 6; United Air Lines Inc. 3; Atlas Air Inc. 2; American Airlines Inc. 2; Sun Country Airlines d/b/a MN Airlines 1.

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

4,428 flights of 4,440 scheduled, 464,325 passengers in 584,424 seats, 401,600 pounds of freight. Alaska Airlines Inc. 1,868; SkyWest Airlines Inc. 1,596; Southwest Airlines Co. 903; Horizon Air 44; Delta Air Lines Inc. 5; American Airlines Inc. 4; United Air Lines Inc. 4; Atlas Air Inc. 2; Sun Country Airlines d/b/a MN Airlines 2.

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: Mineta San Jose International SJC and Seattle-Tacoma International SEA; all routes.