PHX → LAX: 83% on-time

Historical on-time performance

Phoenix to Los Angeles

370 miData through May 2026Source: US DOT · BTS

Flights on PHX–LAX arrive on time 83% of the time over the last 12 months.

On-time rate83%arrived within 15 min

p90 delay30 min1 in 10 flights is worse (tail risk)

Cancelled0.6%of scheduled flights

based on 7,364 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Too close to call — no single carrier is clearly more on-time here.

Airline	On-time	Median	p90	Cancel	Flights
Delta Air Lines⚠ low data	97%	on time	on time	0.0%	30
SkyWest Airlines	90%	on time	10 min	0.7%	2,580
United Airlines	88%	on time	20 min	0.3%	289
Frontier Airlines	82%	on time	35 min	1.2%	413
American Airlines	81%	on time	30 min	0.5%	2,019
Southwest Airlines	74%	on time	40 min	0.4%	2,033

Delta Air Lines
On-time97%
Medianon time
p90on time
Cancel0.0%
Flights30
SkyWest Airlines
On-time90%
Medianon time
p9010 min
Cancel0.7%
Flights2,580
United Airlines
On-time88%
Medianon time
p9020 min
Cancel0.3%
Flights289
Frontier Airlines
On-time82%
Medianon time
p9035 min
Cancel1.2%
Flights413
American Airlines
On-time81%
Medianon time
p9030 min
Cancel0.5%
Flights2,019
Southwest Airlines
On-time74%
Medianon time
p9040 min
Cancel0.4%
Flights2,033

Why flights run late

Delay causes

Airline41%
Weather4%
Air traffic (NAS)11%
Late aircraft43%
Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

Airline16%
Weather33%
Air traffic (NAS)51%
Security0%

Most cancellations here are attributed to Air traffic (NAS). Shares are among 45 cancellations with a reported cause (BTS reports causes from June 2003).

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly PHX → LAX

All airlines · rolling 36 months (2023-06 .. 2026-05).

Best time of day

Mornings are the most reliable time of day to fly this route — 92% on time.

Mornings92% on time · p90 10 min · 6,376 flights
Middays86% on time · p90 20 min · 5,402 flights
Afternoons81% on time · p90 30 min · 3,877 flights
Evenings75% on time · p90 50 min · 3,306 flights
Overnights70% on time · p90 45 min · 2,900 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 78% to 88% on time.

Tuesdays88% on time · p90 15 min · 3,042 flights
Wednesdays86% on time · p90 20 min · 3,091 flights
Saturdays86% on time · p90 20 min · 2,794 flights
Mondays82% on time · p90 30 min · 3,242 flights
Thursdays82% on time · p90 30 min · 3,240 flights
Fridays81% on time · p90 30 min · 3,253 flights
Sundays78% on time · p90 35 min · 3,199 flights

Keep exploring

Delay predictorfor this route→PHX airportPhoenix→LAX airportLos Angeles→SkyWest Airlinesairline profile→Southwest Airlinesairline profile→American Airlinesairline profile→Seasonal delay patternsguide→