Airports · San Francisco International Airport
Flights from San Francisco (SFO)
Airlines flew 187,976 departures out of San Francisco International Airport (SFO) carrying 26,642,605 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.
What flies from San Francisco
US DOT T-100 · filed dataWhat airlines actually flew out of San Francisco — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.
Departures
187,976
April 2026
Seats flown
32,273,388
Passengers
26,642,605
Load factor
82.5%
passengers ÷ seats
Busiest routes from San Francisco
Where flights from San Francisco go most, by departures over the trailing 12 months.
11,771 departures · 1,368,388 passengers
83.8%
Load
6,962 departures · 812,290 passengers
83.4%
Load
6,753 departures · 812,764 passengers
82.4%
Load
6,572 departures · 958,298 passengers
89.0%
Load
6,041 departures · 823,110 passengers
78.2%
Load
5,464 departures · 986,068 passengers
88.2%
Load
5,405 departures · 850,024 passengers
83.3%
Load
4,746 departures · 398,581 passengers
85.3%
Load
4,719 departures · 605,961 passengers
81.2%
Load
4,543 departures · 690,823 passengers
87.2%
Load
4,331 departures · 883,034 passengers
90.2%
Load
3,934 departures · 635,710 passengers
88.7%
Load
3,791 departures · 448,757 passengers
80.3%
Load
3,580 departures · 604,675 passengers
84.4%
Load
3,527 departures · 355,607 passengers
79.5%
Load
Airlines at San Francisco
Ranked by seats flown — the capacity each carrier actually operated out of San Francisco.
- UA
14,696,071 seats · 82.6% load
45.5%
Share
- DL
2,410,937 seats · 82.9% load
7.5%
Share
- OO
2,407,572 seats · 80.3% load
7.5%
Share
- AS
2,009,160 seats · 82.1% load
6.2%
Share
- AA
1,994,282 seats · 87.4% load
6.2%
Share
- WN
1,432,300 seats · 81.3% load
4.4%
Share
- F9
680,034 seats · 85.6% load
2.1%
Share
- B6
677,257 seats · 88.1% load
2.1%
Share
- AC
Air Canada
410,346 seats · 86.2% load
1.3%
Share
- BR
Eva Airways
362,687 seats · 70.8% load
1.1%
Share
Aircraft flown from San Francisco
Aircraft types by share of departures — what actually operated, not what's based here.
31,546 departures · 80.8% load
16.8%
Share
22,616 departures · 81.6% load
12.0%
Share
18,579 departures · 80.8% load
9.9%
Share
16,615 departures · 83.3% load
8.8%
Share
14,155 departures · 81.7% load
7.5%
Share
9,543 departures · 81.0% load
5.1%
Share
9,332 departures · 86.3% load
5.0%
Share
9,179 departures · 88.0% load
4.9%
Share
7,834 departures · 79.0% load
4.2%
Share
6,135 departures · 85.3% load
3.3%
Share
5,651 departures · 82.6% load
3.0%
Share
4,668 departures · 82.1% load
2.5%
Share
Monthly departures from San Francisco
Monthly departures from San Francisco, trailing 12 months through April 2026. Bars scale to the busiest month.
May 2025
16,780 departures · 2,380,541 passengers
82.5%
Load
June 2025
16,607 departures · 2,565,863 passengers
89.4%
Load
July 2025
17,124 departures · 2,510,801 passengers
84.8%
Load
August 2025
16,565 departures · 2,405,856 passengers
83.7%
Load
September 2025
15,340 departures · 2,144,234 passengers
80.2%
Load
October 2025
16,321 departures · 2,348,756 passengers
82.5%
Load
November 2025
15,121 departures · 2,099,206 passengers
81.3%
Load
December 2025
15,541 departures · 2,228,951 passengers
84.0%
Load
January 2026
14,343 departures · 1,849,008 passengers
75.7%
Load
February 2026
13,298 departures · 1,774,804 passengers
79.7%
Load
March 2026
15,391 departures · 2,187,575 passengers
84.5%
Load
April 2026
15,545 departures · 2,147,010 passengers
80.4%
Load
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.