Norman Y. Mineta San Jose International in July 2025

78.3%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 July 2025, reporting carriers scheduled 4,120 domestic departures from Norman Y. Mineta San Jose International (SJC). 78.3% left less than 15 minutes late and 79.9% reached their destination on time; 0.9% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so SJC departures were 8.6 points above the national departure figure.

A year earlier, in July 2024, the airport had 4,516 departures with 80.4% leaving on time: a change of −2.1 points, with flights down 9%.

Flights arriving at SJC that month were on time 75.6% of the time (4,118 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 29% and national aviation system 17%.

On time 79.9%
Arrived 15+ minutes late 18.9%
Cancelled 0.9%
Diverted 0.3%

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

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

Measure	Jul 2025	Jul 2024	SJC, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	78.3%	80.4%	80.9%	69.7%
Arrived on time	79.9%	79.8%	81.9%	69.0%
Cancelled	0.9%	1.3%	0.7%	2.5%
Average departure delay (late minutes only)	13.3 min	13.1 min	10.9 min	24.3 min
Scheduled departures a day	137	151	119	21,048
Scheduled departures	4,120	4,516	43,338	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,505	61%	77.4%	6.7 min	0.7%
OO SkyWest Airlines	600	15%	90.0%	-4.6 min	0.0%
DL Delta Air Lines	262	6%	89.7%	-5.8 min	0.0%
AS Alaska Airlines	218	5%	72.9%	8.8 min	4.6%
AA American Airlines	169	4%	78.1%	14.0 min	2.4%
UA United Airlines	152	4%	70.4%	16.2 min	1.3%
NK Spirit Airlines	99	2%	87.9%	2.9 min	0.0%
HA Hawaiian Airlines	62	2%	90.3%	1.1 min	0.0%
MQ Envoy Air	30	1%	93.3%	-9.9 min	0.0%
F9 Frontier Airlines	23	1%	43.5%	19.0 min	8.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJC–SAN	San Jose to San Diego	471	77.5%	5.8 min	0.8%
SJC–SEA	San Jose to Seattle	425	76.7%	7.0 min	2.1%
SJC–LAS	San Jose to Las Vegas	380	73.2%	10.7 min	1.1%
SJC–LAX	San Jose to Los Angeles	368	87.5%	-4.7 min	0.3%
SJC–DEN	San Jose to Denver	249	66.7%	20.3 min	0.8%
SJC–PHX	San Jose to Phoenix	247	81.4%	4.3 min	0.8%
SJC–SNA	San Jose to Santa Ana	217	87.6%	-2.3 min	1.8%
SJC–BUR	San Jose to Burbank	205	78.5%	5.0 min	1.0%
SJC–SLC	San Jose to Salt Lake City	176	89.8%	-2.8 min	0.0%
SJC–PDX	San Jose to Portland	136	75.0%	9.1 min	0.0%
SJC–DFW	San Jose to Dallas/Fort Worth	129	72.1%	17.0 min	3.1%
SJC–ONT	San Jose to Ontario	118	81.4%	4.3 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	28.8%	31.1%	13,551
Late-arriving aircraft	51.2%	40.8%	24,092
National Aviation System	16.9%	20.7%	7,957
Extreme weather	3.1%	7.3%	1,448
Security	0.0%	0.1%	10

47,058 delay minutes on 780 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 July 2025?

78.3% of 4,120 scheduled domestic departures left less than 15 minutes late, and 79.9% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 80.4% of 4,516 departures left on time and 1.3% were cancelled, against 78.3% and 0.9% in July 2025.

Provenance

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