San Diego International in March 2024

78.2%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 2024, reporting carriers scheduled 7,577 domestic departures from San Diego International (SAN). 78.2% left less than 15 minutes late and 77.9% reached their destination on time; 0.6% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so SAN departures were level with the national departure figure.

Flights arriving at SAN that month were on time 76.8% of the time (7,575 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, national aviation system 28% and air carrier 24%.

On time 77.9%
Arrived 15+ minutes late 21.1%
Cancelled 0.6%
Diverted 0.3%

Every scheduled departure from SAN in March 2024, judged by arrival at the destination.

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

Measure	Mar 2024	Year earlier	SAN, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	78.2%	—	73.5%	78.5%
Arrived on time	77.9%	—	76.1%	78.3%
Cancelled	0.6%	—	1.3%	0.9%
Average departure delay (late minutes only)	14.7 min	—	16.6 min	15.7 min
Scheduled departures a day	253	—	275	19,726
Scheduled departures	7,577	—	100,196	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,850	38%	76.4%	6.1 min	0.7%
OO SkyWest Airlines	981	13%	72.8%	8.9 min	0.6%
UA United Airlines	828	11%	85.5%	-1.6 min	0.1%
AS Alaska Airlines	782	10%	73.3%	6.8 min	0.5%
AA American Airlines	768	10%	81.0%	15.6 min	1.0%
DL Delta Air Lines	766	10%	88.3%	2.4 min	0.0%
F9 Frontier Airlines	243	3%	67.5%	23.2 min	1.2%
B6 JetBlue Airways	150	2%	74.7%	4.3 min	0.7%
NK Spirit Airlines	150	2%	77.3%	3.9 min	4.0%
HA Hawaiian Airlines	50	1%	64.0%	13.6 min	0.0%
G4 Allegiant Air	9	0%	88.9%	1.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SAN–SFO	San Diego to San Francisco	517	46.2%	27.9 min	0.6%
SAN–LAS	San Diego to Las Vegas	509	67.4%	20.2 min	2.0%
SAN–PHX	San Diego to Phoenix	481	79.2%	10.1 min	0.2%
SAN–DEN	San Diego to Denver	462	85.5%	-1.2 min	1.3%
SAN–SJC	San Diego to San Jose	435	81.1%	3.2 min	0.7%
SAN–SMF	San Diego to Sacramento	427	77.5%	4.7 min	0.2%
SAN–SEA	San Diego to Seattle	376	80.9%	3.9 min	0.8%
SAN–DFW	San Diego to Dallas/Fort Worth	338	79.6%	9.3 min	1.8%
SAN–OAK	San Diego to Oakland	281	80.8%	1.4 min	0.4%
SAN–SLC	San Diego to Salt Lake City	232	81.9%	4.6 min	0.4%
SAN–ORD	San Diego to Chicago	207	88.9%	-1.2 min	0.0%
SAN–JFK	San Diego to New York	187	82.9%	-0.7 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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	23.9%	32.1%	24,114
Late-arriving aircraft	45.2%	42.1%	45,703
National Aviation System	27.8%	21.4%	28,105
Extreme weather	2.9%	4.2%	2,943
Security	0.2%	0.2%	165

101,030 delay minutes on 1,602 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 SAN on time in March 2024?

78.2% of 7,577 scheduled domestic departures left less than 15 minutes late, and 77.9% reached their destination on time. The national figures that month were 78.5% and 78.3%.

How does that compare with a year earlier?

March 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 March 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SAN · methodology · corrections.