San Diego International in October 2024

76.4%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 2024, reporting carriers scheduled 8,377 domestic departures from San Diego International (SAN). 76.4% left less than 15 minutes late and 70.3% reached their destination on time; 1.3% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so SAN departures were 9.1 points below the national departure figure.

A year earlier, in October 2023, the airport had 8,026 departures with 81.0% leaving on time: a change of −4.6 points, with flights up 4%.

Flights arriving at SAN that month were on time 72.4% of the time (8,379 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 50%, national aviation system 28% and air carrier 17%.

On time 70.3%
Arrived 15+ minutes late 28.3%
Cancelled 1.3%
Diverted 0.1%

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

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

Measure	Oct 2024	Oct 2023	SAN, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	76.4%	81.0%	73.5%	85.5%
Arrived on time	70.3%	80.3%	76.1%	85.8%
Cancelled	1.3%	0.3%	1.3%	1.0%
Average departure delay (late minutes only)	16.9 min	12.5 min	16.6 min	9.4 min
Scheduled departures a day	279	268	275	20,517
Scheduled departures	8,377	8,026	100,196	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	2,947	35%	67.7%	16.5 min	1.4%
OO SkyWest Airlines	1,113	13%	62.7%	20.2 min	2.2%
UA United Airlines	945	11%	79.6%	2.8 min	1.1%
AS Alaska Airlines	890	11%	68.7%	10.7 min	1.7%
DL Delta Air Lines	850	10%	80.7%	5.8 min	0.2%
AA American Airlines	782	9%	77.9%	9.9 min	0.1%
F9 Frontier Airlines	330	4%	55.5%	36.7 min	2.7%
NK Spirit Airlines	286	3%	63.6%	16.1 min	2.8%
B6 JetBlue Airways	163	2%	74.2%	7.2 min	0.0%
HA Hawaiian Airlines	62	1%	69.4%	12.8 min	0.0%
G4 Allegiant Air	9	0%	55.6%	37.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SAN–LAS	San Diego to Las Vegas	651	62.7%	20.5 min	2.3%
SAN–SFO	San Diego to San Francisco	578	60.0%	18.7 min	1.6%
SAN–SJC	San Diego to San Jose	530	67.2%	16.9 min	0.9%
SAN–PHX	San Diego to Phoenix	511	70.5%	21.5 min	2.0%
SAN–DEN	San Diego to Denver	495	73.1%	11.1 min	1.0%
SAN–SMF	San Diego to Sacramento	495	67.1%	16.4 min	1.8%
SAN–SEA	San Diego to Seattle	386	76.4%	6.0 min	0.5%
SAN–OAK	San Diego to Oakland	316	68.4%	14.1 min	2.8%
SAN–DFW	San Diego to Dallas/Fort Worth	281	76.9%	12.9 min	0.4%
SAN–ORD	San Diego to Chicago	270	83.7%	-2.4 min	0.7%
SAN–ATL	San Diego to Atlanta	231	73.6%	5.8 min	0.9%
SAN–JFK	San Diego to New York	216	73.1%	8.7 min	0.5%

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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	17.0%	42.7%	26,259
Late-arriving aircraft	49.8%	37.4%	77,012
National Aviation System	28.1%	16.3%	43,436
Extreme weather	5.1%	3.4%	7,823
Security	0.1%	0.2%	169

154,699 delay minutes on 2,371 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 October 2024?

76.4% of 8,377 scheduled domestic departures left less than 15 minutes late, and 70.3% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 81.0% of 8,026 departures left on time and 0.3% were cancelled, against 76.4% and 1.3% in October 2024.

Provenance

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