San Francisco International in October 2025

80.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In October 2025, reporting carriers scheduled 12,774 domestic departures from San Francisco International (SFO). 80.0% left less than 15 minutes late and 79.7% reached their destination on time; 0.4% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so SFO departures were level with the national departure figure.

A year earlier, in October 2024, the airport had 12,568 departures with 83.6% leaving on time: a change of −3.6 points, with flights up 2%.

Flights arriving at SFO that month were on time 72.3% of the time (12,768 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 30% and national aviation system 26%.

On time 79.7%
Arrived 15+ minutes late 19.7%
Cancelled 0.4%
Diverted 0.2%

Every scheduled departure from SFO in October 2025, judged by arrival at the destination.

October 2025 against a year earlier, the airport's year and the nation

Measure	Oct 2025	Oct 2024	SFO, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	80.0%	83.6%	75.1%	80.0%
Arrived on time	79.7%	83.5%	75.6%	79.1%
Cancelled	0.4%	0.3%	1.0%	0.5%
Average departure delay (late minutes only)	13.6 min	11.3 min	17.8 min	13.9 min
Scheduled departures a day	426	419	404	20,195
Scheduled departures	12,774	12,568	147,566	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	5,350	42%	84.9%	-0.9 min	0.2%
OO SkyWest Airlines	2,751	22%	77.9%	6.0 min	0.3%
DL Delta Air Lines	1,233	10%	82.1%	2.7 min	0.4%
AA American Airlines	1,049	8%	80.6%	5.2 min	0.8%
AS Alaska Airlines	818	6%	75.7%	5.2 min	1.5%
WN Southwest Airlines	799	6%	57.3%	20.9 min	0.3%
B6 JetBlue Airways	383	3%	78.6%	6.2 min	0.5%
F9 Frontier Airlines	300	2%	68.0%	14.1 min	0.0%
HA Hawaiian Airlines	91	1%	52.7%	39.5 min	1.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SFO–LAX	San Francisco to Los Angeles	991	73.6%	8.4 min	0.0%
SFO–SAN	San Francisco to San Diego	659	64.2%	16.4 min	1.1%
SFO–JFK	San Francisco to New York	611	83.3%	-0.2 min	0.7%
SFO–SEA	San Francisco to Seattle	585	72.5%	7.4 min	1.0%
SFO–ORD	San Francisco to Chicago	524	81.1%	4.7 min	0.4%
SFO–LAS	San Francisco to Las Vegas	522	75.5%	9.9 min	0.6%
SFO–DEN	San Francisco to Denver	460	81.1%	1.5 min	0.0%
SFO–SNA	San Francisco to Santa Ana	448	81.7%	1.6 min	0.4%
SFO–BOS	San Francisco to Boston	428	70.1%	17.7 min	0.7%
SFO–EWR	San Francisco to Newark	389	76.9%	5.9 min	1.3%
SFO–PHX	San Francisco to Phoenix	367	72.5%	12.6 min	0.0%
SFO–DFW	San Francisco to Dallas/Fort Worth	354	78.5%	6.4 min	2.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	29.5%	34.0%	45,621
Late-arriving aircraft	42.2%	39.7%	65,289
National Aviation System	26.1%	22.9%	40,401
Extreme weather	2.1%	3.3%	3,291
Security	0.1%	0.1%	89

154,691 delay minutes on 2,522 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left SFO on time in October 2025?

80.0% of 12,774 scheduled domestic departures left less than 15 minutes late, and 79.7% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 83.6% of 12,568 departures left on time and 0.3% were cancelled, against 80.0% and 0.4% in October 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SFO · methodology · corrections.