Los Angeles International in October 2023

83.9%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 16,823 domestic departures from Los Angeles International (LAX). 83.9% left less than 15 minutes late and 84.3% reached their destination on time; 0.2% were cancelled.

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

Flights arriving at LAX that month were on time 82.8% of the time (16,835 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 37% and national aviation system 15%.

On time 84.3%
Arrived 15+ minutes late 15.4%
Cancelled 0.2%
Diverted 0.1%

Every scheduled departure from LAX 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	LAX, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	83.9%	—	79.0%	83.8%
Arrived on time	84.3%	—	79.0%	84.0%
Cancelled	0.2%	—	0.9%	0.4%
Average departure delay (late minutes only)	11.1 min	—	15.1 min	11.0 min
Scheduled departures a day	561	—	521	19,966
Scheduled departures	16,823	—	190,106	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	3,219	19%	89.5%	-4.9 min	0.0%
OO SkyWest Airlines	3,036	18%	86.3%	1.9 min	0.1%
WN Southwest Airlines	2,576	15%	71.5%	8.9 min	0.3%
AA American Airlines	2,520	15%	87.1%	-3.0 min	0.3%
UA United Airlines	2,303	14%	88.2%	-3.6 min	0.2%
NK Spirit Airlines	1,112	7%	86.1%	-5.4 min	1.2%
B6 JetBlue Airways	1,070	6%	78.9%	4.0 min	0.0%
AS Alaska Airlines	707	4%	84.0%	-1.3 min	0.0%
HA Hawaiian Airlines	187	1%	79.7%	14.6 min	1.1%
G4 Allegiant Air	93	1%	73.1%	27.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
LAX–SFO	Los Angeles to San Francisco	1,009	77.0%	5.3 min	0.0%
LAX–LAS	Los Angeles to Las Vegas	885	80.6%	3.9 min	0.5%
LAX–JFK	Los Angeles to New York	878	81.8%	0.4 min	0.0%
LAX–SEA	Los Angeles to Seattle	698	85.7%	-2.8 min	0.0%
LAX–DEN	Los Angeles to Denver	635	84.9%	0.4 min	0.5%
LAX–DFW	Los Angeles to Dallas/Fort Worth	600	83.3%	-0.4 min	1.5%
LAX–ORD	Los Angeles to Chicago	585	89.7%	-8.1 min	0.3%
LAX–PHX	Los Angeles to Phoenix	552	80.8%	5.2 min	0.0%
LAX–EWR	Los Angeles to Newark	530	86.6%	-5.4 min	0.4%
LAX–ATL	Los Angeles to Atlanta	520	90.0%	-6.7 min	0.4%
LAX–IAH	Los Angeles to Houston	456	89.3%	0.7 min	0.2%
LAX–SMF	Los Angeles to Sacramento	448	83.9%	3.2 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), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	42.7%	41.3%	67,464
Late-arriving aircraft	37.3%	40.5%	58,938
National Aviation System	14.7%	14.4%	23,308
Extreme weather	4.9%	3.7%	7,775
Security	0.4%	0.2%	614

158,099 delay minutes on 2,584 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 LAX on time in October 2023?

83.9% of 16,823 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 LAX · methodology · corrections.