Norman Y. Mineta San Jose International in May 2024

83.1%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 May 2024, reporting carriers scheduled 4,183 domestic departures from Norman Y. Mineta San Jose International (SJC). 83.1% left less than 15 minutes late and 83.7% reached their destination on time; 0.4% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so SJC departures were 9.7 points above the national departure figure.

Flights arriving at SJC that month were on time 79.0% of the time (4,161 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 53%, air carrier 28% and national aviation system 18%.

On time 83.7%
Arrived 15+ minutes late 15.7%
Cancelled 0.4%
Diverted 0.3%

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

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

Measure	May 2024	Year earlier	SJC, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	83.1%	—	80.9%	73.4%
Arrived on time	83.7%	—	81.9%	72.3%
Cancelled	0.4%	—	0.7%	1.4%
Average departure delay (late minutes only)	10.4 min	—	10.9 min	20.8 min
Scheduled departures a day	139	—	119	20,325
Scheduled departures	4,183	—	43,338	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,400	57%	81.8%	3.8 min	0.1%
OO SkyWest Airlines	685	16%	88.9%	-2.5 min	0.0%
DL Delta Air Lines	241	6%	86.7%	-3.8 min	0.4%
AS Alaska Airlines	215	5%	87.9%	-3.9 min	0.5%
UA United Airlines	194	5%	87.6%	-6.1 min	1.5%
AA American Airlines	177	4%	73.4%	19.2 min	3.4%
NK Spirit Airlines	152	4%	82.9%	4.2 min	0.0%
HA Hawaiian Airlines	62	1%	91.9%	-8.1 min	1.6%
B6 JetBlue Airways	31	1%	80.6%	0.3 min	0.0%
MQ Envoy Air	26	1%	92.3%	-3.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJC–SAN	San Jose to San Diego	490	83.3%	4.0 min	0.0%
SJC–LAX	San Jose to Los Angeles	436	86.2%	-0.1 min	0.0%
SJC–SEA	San Jose to Seattle	378	81.7%	2.2 min	0.3%
SJC–LAS	San Jose to Las Vegas	373	79.6%	5.1 min	0.0%
SJC–PHX	San Jose to Phoenix	299	85.6%	6.5 min	0.0%
SJC–DEN	San Jose to Denver	271	86.3%	-1.9 min	0.7%
SJC–SNA	San Jose to Santa Ana	227	84.6%	-0.6 min	0.4%
SJC–PDX	San Jose to Portland	190	81.6%	4.2 min	0.0%
SJC–BUR	San Jose to Burbank	170	88.2%	-2.1 min	0.0%
SJC–SLC	San Jose to Salt Lake City	146	89.7%	-4.2 min	0.0%
SJC–HNL	San Jose to Honolulu	124	91.9%	-6.0 min	0.8%
SJC–DFW	San Jose to Dallas/Fort Worth	118	61.9%	18.1 min	5.1%

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), May 2024.

Delay causes

BTS cause category	Share of delay minutes	National, May 2024	Minutes
Air carrier	27.9%	29.8%	10,149
Late-arriving aircraft	53.0%	43.0%	19,311
National Aviation System	17.5%	20.1%	6,355
Extreme weather	1.4%	7.0%	508
Security	0.2%	0.1%	82

36,405 delay minutes on 655 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 May 2024?

83.1% of 4,183 scheduled domestic departures left less than 15 minutes late, and 83.7% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 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 May 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.