San Francisco International in November 2024

77.6%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 November 2024, reporting carriers scheduled 12,171 domestic departures from San Francisco International (SFO). 77.6% left less than 15 minutes late and 78.9% reached their destination on time; 1.2% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so SFO departures were 7.6 points below the national departure figure.

A year earlier, in November 2023, the airport had 11,186 departures with 85.5% leaving on time: a change of −7.9 points, with flights up 9%.

Flights arriving at SFO that month were on time 72.0% of the time (12,176 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 30% and national aviation system 17%.

On time 78.9%
Arrived 15+ minutes late 19.8%
Cancelled 1.2%
Diverted 0.1%

Every scheduled departure from SFO in November 2024, judged by arrival at the destination.

November 2024 against a year earlier, the airport's year and the nation

Measure	Nov 2024	Nov 2023	SFO, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	77.6%	85.5%	75.1%	85.2%
Arrived on time	78.9%	85.7%	75.6%	84.8%
Cancelled	1.2%	0.1%	1.0%	0.5%
Average departure delay (late minutes only)	16.7 min	10.3 min	17.8 min	10.2 min
Scheduled departures a day	406	373	404	19,180
Scheduled departures	12,171	11,186	147,566	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	4,917	40%	81.2%	3.5 min	0.4%
OO SkyWest Airlines	2,839	23%	75.4%	9.0 min	3.6%
DL Delta Air Lines	1,014	8%	83.1%	3.7 min	0.0%
AS Alaska Airlines	986	8%	79.9%	3.4 min	0.9%
AA American Airlines	920	8%	81.1%	5.7 min	0.5%
WN Southwest Airlines	637	5%	72.7%	13.1 min	0.6%
F9 Frontier Airlines	466	4%	62.9%	24.2 min	0.2%
B6 JetBlue Airways	328	3%	86.6%	-6.0 min	0.0%
HA Hawaiian Airlines	64	1%	82.8%	-4.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SFO–LAX	San Francisco to Los Angeles	1,044	78.2%	9.4 min	1.3%
SFO–SAN	San Francisco to San Diego	585	70.9%	14.8 min	0.5%
SFO–SEA	San Francisco to Seattle	547	80.1%	3.5 min	1.6%
SFO–JFK	San Francisco to New York	543	89.1%	-8.8 min	0.0%
SFO–LAS	San Francisco to Las Vegas	541	75.4%	9.8 min	0.6%
SFO–DEN	San Francisco to Denver	489	76.1%	8.0 min	1.0%
SFO–SNA	San Francisco to Santa Ana	414	76.3%	6.4 min	2.2%
SFO–PHX	San Francisco to Phoenix	411	78.3%	8.9 min	0.2%
SFO–EWR	San Francisco to Newark	396	70.2%	15.6 min	0.3%
SFO–ORD	San Francisco to Chicago	388	78.4%	2.7 min	0.5%
SFO–BOS	San Francisco to Boston	362	81.8%	-3.0 min	0.0%
SFO–PDX	San Francisco to Portland	346	77.5%	8.0 min	0.9%

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), November 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	30.3%	36.9%	52,844
Late-arriving aircraft	50.8%	35.6%	88,492
National Aviation System	16.6%	21.9%	28,928
Extreme weather	2.3%	5.4%	3,973
Security	0.0%	0.2%	64

174,301 delay minutes on 2,408 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 November 2024?

77.6% of 12,171 scheduled domestic departures left less than 15 minutes late, and 78.9% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 85.5% of 11,186 departures left on time and 0.1% were cancelled, against 77.6% and 1.2% in November 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2024; 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.