Routes and flights · the DOT's airline reports, August 2025 to July 2026

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

Airlines flew 8,845 flights between Seattle-Tacoma International SEA in Seattle, WA and Mineta San Jose International SJC in San Jose, CA 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

SEA-SJC: 4,428 · SJC-SEA: 4,417

926,762

passengers

79% of seats filled

696

miles

about 105 minutes airborne

airlines

16 aircraft types

Flights by month both directions

By month, as a table

	flights
1/25	719
2/25	665
3/25	737
4/25	698
5/25	777
6/25	815
7/25	835
8/25	793
9/25	745
10/25	786
11/25	750
12/25	706
1/26	666
2/26	694
3/26	649
4/26	610
5/26	749
6/26	822
7/26	875

Passengers by month

By month, as a table

	passengers
1/25	65,157
2/25	64,734
3/25	74,095
4/25	76,123
5/25	78,078
6/25	91,312
7/25	95,911
8/25	92,631
9/25	78,179
10/25	74,095
11/25	72,302
12/25	72,269
1/26	62,933
2/26	71,182
3/26	68,899
4/26	63,962
5/26	77,618
6/26	93,099
7/26	99,593

The airlines twelve months, both directions

Airline	Flights	Passengers	Seats filled	Service
Alaska Airlines Inc. AS	3,730	512,129	80%	charter passenger service, scheduled passenger service
SkyWest Airlines Inc. OO	3,190	195,291	84%	scheduled passenger service
Southwest Airlines Co. WN	1,809	210,455	75%	scheduled passenger service
Horizon Air QX	85	5,789	90%	scheduled passenger service
Delta Air Lines Inc. DL	11	926	36%	charter passenger service
United Air Lines Inc. UA	7	1,205	68%	charter passenger service, scheduled passenger service
American Airlines Inc. AA	6	785	68%	scheduled passenger service
Atlas Air Inc. 5Y	4	182	16%	charter passenger service
Sun Country Airlines d/b/a MN Airlines SY	3	0	0%	charter passenger service

The aircraft as the airlines report their types

Aircraft	Flights	Seats a flight	Passengers
Embraer ERJ-175	3,275	73	201,080
Boeing 737-900ER	1,304	178	188,487
Boeing B737 Max 900	1,246	178	174,615
Boeing 737-800	1,201	163	152,377
Boeing 737-700/700LR/Max 7	1,088	140	116,173
Boeing B737 Max 800	702	170	90,731
Airbus Industrie A330-200	5	223	442
Airbus Industrie A330-300/333	5	282	484
Boeing 737-900	4	178	655
Airbus Industrie A321-200n	4	194	533
Boeing 747-400	4	282	182
Airbus Industrie A321Neoxlr	2	190	252
Boeing 777-200ER/200LR/233LR	2	364	394
Airbus Industrie A320-100/200	1	150	149
Boeing 757-200	1	72	0
Boeing 777-300/300ER/333ER	1	350	208

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.

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.

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 Mineta San Jose International SJC; all routes.