Norman Y. Mineta San Jose International in April 2024

86.3%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 April 2024, reporting carriers scheduled 3,938 domestic departures from Norman Y. Mineta San Jose International (SJC). 86.3% left less than 15 minutes late and 87.0% reached their destination on time; 0.3% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so SJC departures were 5.8 points above the national departure figure.

Flights arriving at SJC that month were on time 83.3% of the time (3,919 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 40% and national aviation system 15%.

On time 87.0%
Arrived 15+ minutes late 12.6%
Cancelled 0.3%
Diverted 0.1%

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

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

Measure	Apr 2024	Year earlier	SJC, 12 months to Jul 2026	All reported flights, Apr 2024
Departed on time	86.3%	—	80.9%	80.5%
Arrived on time	87.0%	—	81.9%	80.2%
Cancelled	0.3%	—	0.7%	0.7%
Average departure delay (late minutes only)	8.6 min	—	10.9 min	14.2 min
Scheduled departures a day	131	—	119	19,406
Scheduled departures	3,938	—	43,338	582,185

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,347	60%	86.3%	0.3 min	0.3%
OO SkyWest Airlines	673	17%	89.6%	-2.3 min	0.0%
AS Alaska Airlines	221	6%	88.7%	-3.6 min	0.9%
DL Delta Air Lines	193	5%	92.2%	-5.1 min	0.0%
AA American Airlines	146	4%	83.6%	15.6 min	1.4%
UA United Airlines	146	4%	91.1%	-4.4 min	0.0%
NK Spirit Airlines	115	3%	84.3%	-0.9 min	0.0%
HA Hawaiian Airlines	60	2%	91.7%	-8.5 min	0.0%
B6 JetBlue Airways	30	1%	40.0%	70.6 min	3.3%
MQ Envoy Air	7	0%	85.7%	1.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJC–SAN	San Jose to San Diego	449	83.5%	3.4 min	0.2%
SJC–LAX	San Jose to Los Angeles	414	88.6%	-2.6 min	0.0%
SJC–SEA	San Jose to Seattle	359	86.1%	-1.6 min	0.6%
SJC–LAS	San Jose to Las Vegas	340	83.5%	2.9 min	0.3%
SJC–PHX	San Jose to Phoenix	293	88.1%	8.1 min	0.7%
SJC–DEN	San Jose to Denver	226	88.1%	-5.1 min	0.0%
SJC–SNA	San Jose to Santa Ana	221	86.4%	-1.7 min	0.5%
SJC–PDX	San Jose to Portland	189	87.3%	1.1 min	0.0%
SJC–BUR	San Jose to Burbank	173	90.2%	-3.8 min	0.6%
SJC–SLC	San Jose to Salt Lake City	142	91.5%	0.0 min	0.0%
SJC–HNL	San Jose to Honolulu	120	91.7%	-6.8 min	0.0%
SJC–AUS	San Jose to Austin	108	84.3%	7.0 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), April 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2024	Minutes
Air carrier	39.8%	33.6%	11,078
Late-arriving aircraft	43.1%	41.0%	12,021
National Aviation System	14.8%	20.0%	4,137
Extreme weather	2.1%	5.1%	577
Security	0.2%	0.2%	49

27,862 delay minutes on 496 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 April 2024?

86.3% of 3,938 scheduled domestic departures left less than 15 minutes late, and 87.0% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 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 April 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.