Norman Y. Mineta San Jose International in October 2023

84.0%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 October 2023, reporting carriers scheduled 4,365 domestic departures from Norman Y. Mineta San Jose International (SJC). 84.0% left less than 15 minutes late and 84.3% reached their destination on time; 0.3% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so SJC departures were level with the national departure figure.

Flights arriving at SJC that month were on time 83.2% of the time (4,366 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 50%, air carrier 28% and national aviation system 19%.

On time 84.3%
Arrived 15+ minutes late 15.3%
Cancelled 0.3%
Diverted 0.1%

Every scheduled departure from SJC in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	SJC, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	84.0%	—	80.9%	83.8%
Arrived on time	84.3%	—	81.9%	84.0%
Cancelled	0.3%	—	0.7%	0.4%
Average departure delay (late minutes only)	9.1 min	—	10.9 min	11.0 min
Scheduled departures a day	146	—	119	19,966
Scheduled departures	4,365	—	43,338	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,724	62%	81.2%	2.8 min	0.3%
OO SkyWest Airlines	594	14%	90.4%	-4.4 min	0.2%
AS Alaska Airlines	284	7%	90.1%	-7.1 min	0.0%
DL Delta Air Lines	221	5%	94.1%	-8.7 min	0.0%
UA United Airlines	182	4%	95.1%	-10.3 min	0.0%
AA American Airlines	153	4%	88.9%	1.8 min	0.7%
NK Spirit Airlines	118	3%	81.4%	10.1 min	0.0%
HA Hawaiian Airlines	56	1%	76.8%	0.2 min	5.4%
B6 JetBlue Airways	33	1%	60.6%	18.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJC–SAN	San Jose to San Diego	491	76.0%	5.2 min	1.0%
SJC–LAX	San Jose to Los Angeles	400	85.5%	0.7 min	0.0%
SJC–SEA	San Jose to Seattle	387	86.8%	-5.2 min	0.0%
SJC–LAS	San Jose to Las Vegas	358	82.1%	5.2 min	0.0%
SJC–DEN	San Jose to Denver	258	88.8%	-4.0 min	0.0%
SJC–BUR	San Jose to Burbank	231	86.1%	0.8 min	1.3%
SJC–SNA	San Jose to Santa Ana	231	86.1%	0.1 min	0.0%
SJC–PDX	San Jose to Portland	230	85.2%	0.0 min	0.0%
SJC–PHX	San Jose to Phoenix	215	83.3%	2.9 min	0.0%
SJC–SLC	San Jose to Salt Lake City	175	89.7%	-3.5 min	0.0%
SJC–AUS	San Jose to Austin	137	75.9%	7.3 min	0.0%
SJC–ONT	San Jose to Ontario	134	84.3%	3.1 min	0.7%

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), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	28.0%	41.3%	9,436
Late-arriving aircraft	49.7%	40.5%	16,748
National Aviation System	19.3%	14.4%	6,490
Extreme weather	2.1%	3.7%	708
Security	0.9%	0.2%	292

33,674 delay minutes on 666 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 October 2023?

84.0% of 4,365 scheduled domestic departures left less than 15 minutes late, and 84.3% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 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 October 2023; 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.