Norman Y. Mineta San Jose International in January 2025

88.5%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 January 2025, reporting carriers scheduled 3,697 domestic departures from Norman Y. Mineta San Jose International (SJC). 88.5% left less than 15 minutes late and 88.2% reached their destination on time; 1.1% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so SJC departures were 9.2 points above the national departure figure.

A year earlier, in January 2024, the airport had 3,832 departures with 82.4% leaving on time: a change of +6.1 points, with flights down 4%.

Flights arriving at SJC that month were on time 87.7% of the time (3,694 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 31% and national aviation system 22%.

On time 88.2%
Arrived 15+ minutes late 10.5%
Cancelled 1.1%
Diverted 0.3%

Every scheduled departure from SJC in January 2025, judged by arrival at the destination.

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

Measure	Jan 2025	Jan 2024	SJC, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	88.5%	82.4%	80.9%	79.3%
Arrived on time	88.2%	82.5%	81.9%	78.6%
Cancelled	1.1%	1.9%	0.7%	3.0%
Average departure delay (late minutes only)	7.4 min	9.6 min	10.9 min	14.0 min
Scheduled departures a day	123	128	119	17,992
Scheduled departures	3,697	3,832	43,338	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,066	56%	87.8%	-2.8 min	1.0%
OO SkyWest Airlines	562	15%	89.7%	-5.2 min	0.4%
NK Spirit Airlines	240	6%	83.8%	-0.1 min	1.3%
AS Alaska Airlines	223	6%	91.5%	-8.8 min	1.3%
DL Delta Air Lines	202	5%	91.6%	-3.6 min	1.0%
UA United Airlines	133	4%	88.7%	-4.7 min	2.3%
AA American Airlines	123	3%	85.4%	-3.9 min	4.9%
F9 Frontier Airlines	83	2%	83.1%	10.5 min	0.0%
HA Hawaiian Airlines	59	2%	89.8%	-13.6 min	0.0%
MQ Envoy Air	6	0%	100.0%	-9.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJC–LAX	San Jose to Los Angeles	435	90.1%	-5.9 min	0.0%
SJC–SAN	San Jose to San Diego	433	84.5%	0.4 min	1.6%
SJC–LAS	San Jose to Las Vegas	393	81.9%	3.3 min	0.5%
SJC–SEA	San Jose to Seattle	354	91.5%	-4.9 min	0.6%
SJC–DEN	San Jose to Denver	241	86.7%	-0.3 min	0.8%
SJC–PHX	San Jose to Phoenix	241	89.6%	-1.9 min	0.0%
SJC–SNA	San Jose to Santa Ana	214	87.9%	-6.3 min	2.3%
SJC–BUR	San Jose to Burbank	203	88.2%	-4.8 min	1.0%
SJC–PDX	San Jose to Portland	136	91.2%	-3.2 min	0.7%
SJC–SLC	San Jose to Salt Lake City	130	95.4%	-4.5 min	0.0%
SJC–DFW	San Jose to Dallas/Fort Worth	115	80.9%	-2.9 min	6.1%
SJC–LGB	San Jose to Long Beach	101	94.1%	-3.2 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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	31.0%	36.2%	7,412
Late-arriving aircraft	40.0%	34.7%	9,559
National Aviation System	22.4%	19.9%	5,349
Extreme weather	6.6%	9.1%	1,572
Security	0.1%	0.2%	12

23,904 delay minutes on 387 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 2025?

88.5% of 3,697 scheduled domestic departures left less than 15 minutes late, and 88.2% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 82.4% of 3,832 departures left on time and 1.9% were cancelled, against 88.5% and 1.1% in January 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; 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.