Norman Y. Mineta San Jose International in March 2025

86.1%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 March 2025, reporting carriers scheduled 3,917 domestic departures from Norman Y. Mineta San Jose International (SJC). 86.1% left less than 15 minutes late and 86.3% reached their destination on time; 0.5% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so SJC departures were 6.2 points above the national departure figure.

A year earlier, in March 2024, the airport had 3,943 departures with 85.0% leaving on time: a change of +1.1 points, with flights down 1%.

Flights arriving at SJC that month were on time 84.3% of the time (3,905 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 29% and national aviation system 16%.

On time 86.3%
Arrived 15+ minutes late 13.0%
Cancelled 0.5%
Diverted 0.2%

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

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

Measure	Mar 2025	Mar 2024	SJC, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	86.1%	85.0%	80.9%	79.9%
Arrived on time	86.3%	84.7%	81.9%	79.3%
Cancelled	0.5%	0.5%	0.7%	1.2%
Average departure delay (late minutes only)	8.3 min	9.3 min	10.9 min	14.9 min
Scheduled departures a day	131	131	119	20,029
Scheduled departures	3,917	3,943	43,338	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,316	59%	86.6%	-1.8 min	0.5%
OO SkyWest Airlines	710	18%	86.9%	-3.4 min	0.3%
AS Alaska Airlines	216	6%	85.2%	-6.7 min	1.9%
DL Delta Air Lines	182	5%	92.9%	-12.2 min	0.0%
AA American Airlines	122	3%	85.2%	14.4 min	0.8%
UA United Airlines	122	3%	88.5%	-5.4 min	0.8%
NK Spirit Airlines	104	3%	88.5%	-7.1 min	0.0%
F9 Frontier Airlines	84	2%	64.3%	13.5 min	1.2%
HA Hawaiian Airlines	61	2%	80.3%	-3.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJC–LAX	San Jose to Los Angeles	491	90.4%	-6.2 min	0.4%
SJC–SAN	San Jose to San Diego	458	78.4%	6.5 min	0.9%
SJC–LAS	San Jose to Las Vegas	354	83.1%	0.4 min	0.0%
SJC–SEA	San Jose to Seattle	350	85.1%	-3.5 min	0.6%
SJC–PHX	San Jose to Phoenix	318	84.6%	2.2 min	0.0%
SJC–SNA	San Jose to Santa Ana	234	85.5%	-4.0 min	1.7%
SJC–DEN	San Jose to Denver	219	87.2%	-2.9 min	0.0%
SJC–BUR	San Jose to Burbank	205	85.9%	-2.2 min	2.4%
SJC–PDX	San Jose to Portland	153	88.9%	-5.6 min	0.0%
SJC–SLC	San Jose to Salt Lake City	146	92.5%	-10.8 min	0.0%
SJC–DFW	San Jose to Dallas/Fort Worth	116	82.8%	14.7 min	0.9%
SJC–LGB	San Jose to Long Beach	106	95.3%	-6.9 min	0.0%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	29.1%	33.0%	7,908
Late-arriving aircraft	46.3%	39.2%	12,577
National Aviation System	16.1%	21.9%	4,383
Extreme weather	8.5%	5.9%	2,301
Security	0.0%	0.1%	0

27,169 delay minutes on 509 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 March 2025?

86.1% of 3,917 scheduled domestic departures left less than 15 minutes late, and 86.3% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 85.0% of 3,943 departures left on time and 0.5% were cancelled, against 86.1% and 0.5% in March 2025.

Provenance

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