San Francisco (SFO) to San Diego (SAN) flights

United Airlines, Southwest Airlines, SkyWest Airlines, Horizon Air, Alaska Airlines, Frontier Airlines fly nonstop from San Francisco International Airport to San Diego International Airport, with about 152 flights a week in July 2026. The 447-mile flight takes about 1h 40m gate to gate.

From

SFO

San Francisco

San Francisco International Airport

SAN

San Diego

San Diego International Airport

Distance: 447 mi · 719 km
Flight time: 1h 40m
Airlines: 6
Seats filled: 79%

Flights a week, July 2026

7,097 flights and 792,355 passengers in 12 months

Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying SFO to SAN

Airline	Flights a week	Aircraft	Passengers (12 months)	Flight time
United Airlines	57	Boeing 737-800, Boeing 737 MAX 9, Boeing 737-900ER	353,076	1h 40m
Southwest Airlines	45	Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800	238,327	1h 35m
SkyWest Airlines	30	Embraer E175, Bombardier CRJ700, Bombardier CRJ200	96,679	1h 46m
Horizon Air	7	Embraer E175	37,371	1h 41m
Alaska Airlines	7	Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800	32,260	1h 42m
Frontier Airlines	7	Airbus A320neo, Airbus A321, Airbus A320-100/200	34,642	1h 40m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

SFO to SAN flight schedule

47 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 6:00am and the last at 10:42pm. Times are local and can change; check with the airline before you book.

Flight	Departs	Arrives	Days flown in August 2026	On time (12 months)
AS 3455Alaska Airlines · operated by SkyWest Airlines	6:00am	7:44am	18	73%
WN 1792Southwest Airlines	6:45am	8:15am	16	94%
UA 1980United Airlines	7:00am	8:43am	18	94%
AS 426Alaska Airlines	7:08am	8:48am	13	85%
AS 1557Alaska Airlines	7:55am	9:35am	18	73%
WN 1953Southwest Airlines	8:10am	9:45am	4	n/a
AS 424Alaska Airlines	8:25am	10:08am	13	62%
UA 444United Airlines	8:28am	10:18am	31	78%
WN 2978Southwest Airlines	8:30am	10:10am	12	42%
WN 2496Southwest Airlines	8:40am	10:20am	8	n/a
AS 3007Alaska Airlines · operated by SkyWest Airlines	9:27am	11:16am	12	17%
WN 3398Southwest Airlines	9:35am	11:10am	4	n/a
UA 2177United Airlines	10:30am	12:13pm	31	65%
AS 3426Alaska Airlines · operated by SkyWest Airlines	10:32am	12:19pm	9	7%
AS 3490Alaska Airlines · operated by SkyWest Airlines	10:32am	12:20pm	13	61%
WN 3409Southwest Airlines	10:50am	12:30pm	12	0%
WN 2166Southwest Airlines	11:05am	12:45pm	4	n/a
WN 1435Southwest Airlines	11:15am	1:00pm	12	17%
AS 3310Alaska Airlines · operated by SkyWest Airlines	11:38am	1:28pm	13	63%
AS 3479Alaska Airlines · operated by SkyWest Airlines	11:52am	1:39pm	16	57%
UA 1257United Airlines	12:00pm	1:44pm	31	61%
WN 2382Southwest Airlines	12:30pm	2:05pm	12	0%
F9 3384Frontier Airlines	1:07pm	2:50pm	15	52%
AS 3482Alaska Airlines · operated by SkyWest Airlines	1:21pm	3:05pm	18	52%
WN 2840Southwest Airlines	2:00pm	3:35pm	12	8%
UA 1668United Airlines	2:10pm	3:54pm	21	76%
UA 1147United Airlines	2:20pm	4:07pm	8	42%
AS 3099Alaska Airlines · operated by SkyWest Airlines	3:25pm	5:10pm	13	23%
WN 2074Southwest Airlines	3:40pm	5:15pm	4	n/a
WN 4328Southwest Airlines	4:00pm	5:35pm	28	11%
AS 3337Alaska Airlines · operated by SkyWest Airlines	4:24pm	6:09pm	18	49%
UA 1561United Airlines	4:47pm	6:35pm	31	52%
AS 1326Alaska Airlines	5:16pm	7:00pm	13	42%
WN 2286Southwest Airlines	6:00pm	7:35pm	8	n/a
WN 4532Southwest Airlines	6:15pm	7:45pm	24	54%
AS 2058Alaska Airlines · operated by Horizon Air	6:42pm	8:21pm	17	31%
UA 1577United Airlines	6:55pm	8:45pm	21	73%
UA 1343United Airlines	7:00pm	8:53pm	10	64%
WN 2697Southwest Airlines	7:10pm	8:45pm	14	7%
WN 3562Southwest Airlines	7:10pm	8:45pm	10	30%
UA 1863United Airlines	9:00pm	10:49pm	9	75%
UA 442United Airlines	9:00pm	10:47pm	21	86%
AS 3306Alaska Airlines · operated by SkyWest Airlines	9:13pm	10:59pm	14	49%
WN 1964Southwest Airlines	9:20pm	11:00pm	4	n/a
F9 4306Frontier Airlines	10:23pm	11:59pm	16	48%
UA 1389United Airlines	10:42pm	12:29am	15	67%
UA 2142United Airlines	10:42pm	12:31am	10	73%

Is SFO to SAN on time?

From September 2025 to August 2026, 62% of 7,343 flights arrived within 15 minutes of schedule and 1.7% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 10am the least (45%). Most delay time was caused by late-arriving aircraft (46%).

Airline	Flights	On time	Average delay	Cancelled
United Airlines	2,686	73%	16 min	0.3%
Alaska Airlines	2,373	63%	23 min	3.3%
Southwest Airlines	2,070	48%	34 min	1.4%
Frontier Airlines	214	48%	50 min	4.2%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departure	Flights	On time
6am to 7am	509	93%
7am to 8am	511	87%
8am to 9am	535	77%
9am to 10am	363	74%
10am to 11am	610	45%
11am to 12pm	610	55%
12pm to 1pm	221	55%
1pm to 2pm	436	57%
2pm to 3pm	484	52%
3pm to 4pm	262	41%
4pm to 5pm	601	49%
5pm to 6pm	334	67%
6pm to 7pm	435	47%
7pm to 8pm	498	60%
8pm to 9pm	159	52%
9pm to 10pm	293	61%
10pm to 11pm	407	63%

Flights by month

Month	Flights	Passengers
August 2025	592	71,753
September 2025	572	65,656
October 2025	656	78,150
November 2025	583	68,321
December 2025	577	67,191
January 2026	568	55,599
February 2026	512	54,215
March 2026	560	64,003
April 2026	572	64,147
May 2026	598	63,101
June 2026	632	68,714
July 2026	675	71,505

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.