San Francisco International in November 2023

85.5%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 2023, reporting carriers scheduled 11,186 domestic departures from San Francisco International (SFO). 85.5% left less than 15 minutes late and 85.7% reached their destination on time; 0.1% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so SFO departures were 0.5 points below the national departure figure.

Flights arriving at SFO that month were on time 84.6% of the time (11,184 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 38% and national aviation system 20%.

On time 85.7%
Arrived 15+ minutes late 13.9%
Cancelled 0.1%
Diverted 0.2%

Every scheduled departure from SFO in November 2023, judged by arrival at the destination.

November 2023 against a year earlier, the airport's year and the nation

Measure	Nov 2023	Year earlier	SFO, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	85.5%	—	75.1%	86.0%
Arrived on time	85.7%	—	75.6%	86.2%
Cancelled	0.1%	—	1.0%	0.1%
Average departure delay (late minutes only)	10.3 min	—	17.8 min	9.4 min
Scheduled departures a day	373	—	404	18,793
Scheduled departures	11,186	—	147,566	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	4,011	36%	86.6%	-2.0 min	0.0%
OO SkyWest Airlines	2,840	25%	84.7%	3.2 min	0.1%
DL Delta Air Lines	1,065	10%	92.2%	-10.2 min	0.1%
AS Alaska Airlines	897	8%	87.8%	-7.0 min	0.0%
AA American Airlines	856	8%	85.6%	1.8 min	0.0%
WN Southwest Airlines	732	7%	77.7%	5.4 min	0.5%
B6 JetBlue Airways	404	4%	86.1%	-1.3 min	0.0%
F9 Frontier Airlines	326	3%	77.9%	9.4 min	0.0%
HA Hawaiian Airlines	55	0%	67.3%	9.6 min	9.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SFO–LAX	San Francisco to Los Angeles	975	84.5%	-0.2 min	0.0%
SFO–JFK	San Francisco to New York	609	89.2%	-10.6 min	0.0%
SFO–SEA	San Francisco to Seattle	518	88.2%	-4.1 min	0.2%
SFO–SAN	San Francisco to San Diego	516	83.3%	0.9 min	0.2%
SFO–LAS	San Francisco to Las Vegas	496	83.9%	4.5 min	0.0%
SFO–DEN	San Francisco to Denver	465	83.7%	0.2 min	0.0%
SFO–PHX	San Francisco to Phoenix	372	86.6%	-0.2 min	0.0%
SFO–SNA	San Francisco to Santa Ana	364	81.6%	4.1 min	0.3%
SFO–ORD	San Francisco to Chicago	352	85.2%	3.1 min	0.0%
SFO–BOS	San Francisco to Boston	347	89.3%	-8.8 min	0.0%
SFO–EWR	San Francisco to Newark	346	86.7%	-5.1 min	0.0%
SFO–DFW	San Francisco to Dallas/Fort Worth	335	85.1%	2.2 min	0.0%

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), November 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	37.7%	42.5%	37,213
Late-arriving aircraft	39.6%	37.3%	39,142
National Aviation System	19.7%	16.2%	19,504
Extreme weather	2.9%	3.7%	2,900
Security	0.0%	0.3%	0

98,759 delay minutes on 1,559 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 2023?

85.5% of 11,186 scheduled domestic departures left less than 15 minutes late, and 85.7% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2023; 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.