Norman Y. Mineta San Jose International in January 2024

82.4%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 January 2024, reporting carriers scheduled 3,832 domestic departures from Norman Y. Mineta San Jose International (SJC). 82.4% left less than 15 minutes late and 82.5% reached their destination on time; 1.9% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so SJC departures were 8.4 points above the national departure figure.

Flights arriving at SJC that month were on time 79.4% of the time (3,834 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 37% and national aviation system 18%.

On time 82.5%
Arrived 15+ minutes late 15.4%
Cancelled 1.9%
Diverted 0.1%

Every scheduled departure from SJC in January 2024, judged by arrival at the destination.

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

Measure	Jan 2024	Year earlier	SJC, 12 months to Jul 2026	All reported flights, Jan 2024
Departed on time	82.4%	—	80.9%	74.0%
Arrived on time	82.5%	—	81.9%	72.9%
Cancelled	1.9%	—	0.7%	3.7%
Average departure delay (late minutes only)	9.6 min	—	10.9 min	18.7 min
Scheduled departures a day	128	—	119	18,242
Scheduled departures	3,832	—	43,338	547,271

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,390	62%	83.6%	0.1 min	0.8%
OO SkyWest Airlines	649	17%	84.7%	-2.4 min	0.9%
AS Alaska Airlines	187	5%	59.4%	3.3 min	21.9%
DL Delta Air Lines	178	5%	87.6%	-0.9 min	0.0%
UA United Airlines	146	4%	84.2%	-5.1 min	3.4%
AA American Airlines	126	3%	79.4%	15.7 min	0.8%
NK Spirit Airlines	92	2%	83.7%	4.2 min	0.0%
HA Hawaiian Airlines	49	1%	71.4%	2.1 min	2.0%
MQ Envoy Air	15	0%	93.3%	-3.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJC–SAN	San Jose to San Diego	431	86.1%	0.1 min	0.2%
SJC–LAX	San Jose to Los Angeles	409	88.0%	-5.2 min	0.0%
SJC–LAS	San Jose to Las Vegas	354	82.5%	2.3 min	0.6%
SJC–SEA	San Jose to Seattle	324	77.2%	-1.1 min	7.7%
SJC–SNA	San Jose to Santa Ana	239	90.4%	-5.7 min	0.8%
SJC–PHX	San Jose to Phoenix	232	81.5%	4.0 min	0.4%
SJC–DEN	San Jose to Denver	227	82.4%	-2.1 min	2.6%
SJC–BUR	San Jose to Burbank	202	86.1%	-3.2 min	1.5%
SJC–PDX	San Jose to Portland	185	75.1%	5.5 min	5.4%
SJC–SLC	San Jose to Salt Lake City	150	86.7%	-2.2 min	0.0%
SJC–HNL	San Jose to Honolulu	120	51.7%	13.2 min	5.0%
SJC–AUS	San Jose to Austin	112	83.9%	0.6 min	0.9%

By scheduled departure hour

100

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), January 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2024	Minutes
Air carrier	37.2%	32.6%	11,435
Late-arriving aircraft	42.0%	39.0%	12,921
National Aviation System	18.2%	17.9%	5,601
Extreme weather	2.5%	10.3%	758
Security	0.1%	0.2%	21

30,736 delay minutes on 591 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 SJC on time in January 2024?

82.4% of 3,832 scheduled domestic departures left less than 15 minutes late, and 82.5% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 2023 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 January 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SJC · methodology · corrections.