Los Angeles International in January 2025

85.2%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 January 2025, reporting carriers scheduled 15,157 domestic departures from Los Angeles International (LAX). 85.2% left less than 15 minutes late and 85.9% reached their destination on time; 1.0% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so LAX departures were 5.9 points above the national departure figure.

A year earlier, in January 2024, the airport had 15,228 departures with 80.8% leaving on time: a change of +4.4 points, with flights down 0%.

Flights arriving at LAX that month were on time 83.5% of the time (15,143 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 36% and national aviation system 19%.

On time 85.9%
Arrived 15+ minutes late 12.8%
Cancelled 1.0%
Diverted 0.3%

Every scheduled departure from LAX in January 2025, judged by arrival at the destination.

January 2025 against a year earlier, the airport's year and the nation

Measure	Jan 2025	Jan 2024	LAX, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	85.2%	80.8%	79.0%	79.3%
Arrived on time	85.9%	78.0%	79.0%	78.6%
Cancelled	1.0%	3.1%	0.9%	3.0%
Average departure delay (late minutes only)	10.2 min	13.1 min	15.1 min	14.0 min
Scheduled departures a day	505	508	521	17,992
Scheduled departures	15,157	15,228	190,106	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	3,440	23%	86.1%	-0.4 min	0.3%
DL Delta Air Lines	2,697	18%	82.5%	-0.6 min	1.0%
AA American Airlines	2,380	16%	88.2%	-7.1 min	1.4%
UA United Airlines	2,163	14%	88.1%	-6.1 min	0.9%
WN Southwest Airlines	1,820	12%	88.9%	-8.0 min	1.2%
NK Spirit Airlines	792	5%	81.2%	-3.0 min	3.4%
AS Alaska Airlines	657	4%	85.7%	-5.4 min	0.3%
B6 JetBlue Airways	552	4%	90.0%	-12.7 min	0.0%
F9 Frontier Airlines	415	3%	73.0%	9.3 min	2.2%
HA Hawaiian Airlines	192	1%	87.5%	-10.7 min	3.1%
G4 Allegiant Air	37	0%	75.7%	16.3 min	2.7%
MQ Envoy Air	12	0%	100.0%	-6.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
LAX–SFO	Los Angeles to San Francisco	852	84.4%	-3.7 min	0.1%
LAX–JFK	Los Angeles to New York	775	88.0%	-9.1 min	0.4%
LAX–LAS	Los Angeles to Las Vegas	748	82.6%	0.6 min	0.1%
LAX–DEN	Los Angeles to Denver	633	86.7%	0.7 min	0.2%
LAX–SEA	Los Angeles to Seattle	626	86.3%	-3.8 min	0.3%
LAX–PHX	Los Angeles to Phoenix	618	89.6%	-3.6 min	0.5%
LAX–DFW	Los Angeles to Dallas/Fort Worth	569	78.7%	-1.0 min	4.6%
LAX–ORD	Los Angeles to Chicago	519	87.7%	-3.2 min	0.0%
LAX–IAH	Los Angeles to Houston	479	82.5%	-2.5 min	4.8%
LAX–SJC	Los Angeles to San Jose	435	90.8%	-10.0 min	0.0%
LAX–ATL	Los Angeles to Atlanta	434	73.3%	9.6 min	3.2%
LAX–HNL	Los Angeles to Honolulu	427	89.0%	-18.2 min	1.6%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	38.9%	36.2%	51,091
Late-arriving aircraft	36.0%	34.7%	47,219
National Aviation System	18.5%	19.9%	24,232
Extreme weather	6.4%	9.1%	8,440
Security	0.2%	0.2%	245

131,227 delay minutes on 1,934 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 January 2025?

85.2% of 15,157 scheduled domestic departures left less than 15 minutes late, and 85.9% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 80.8% of 15,228 departures left on time and 3.1% were cancelled, against 85.2% and 1.0% in January 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2025; 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.