LAX → PHX: 81% on-time

Historical on-time performance

Los Angeles to Phoenix

370 miData through May 2026Source: US DOT · BTS

Flights on LAX–PHX arrive on time 81% of the time over the last 12 months.

On-time rate81%arrived within 15 min

p90 delay35 min1 in 10 flights is worse (tail risk)

Cancelled0.8%of scheduled flights

based on 7,363 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
SkyWest Airlines	86%	on time	20 min	0.7%	2,579
United Airlines	84%	on time	30 min	0.7%	290
Delta Air Lines⚠ low data	80%	on time	25 min	0.0%	30
American Airlines	79%	on time	50 min	0.5%	2,020
Southwest Airlines	76%	on time	40 min	1.0%	2,032
Frontier Airlines	74%	on time	50 min	1.5%	412

SkyWest Airlines
On-time86%
Medianon time
p9020 min
Cancel0.7%
Flights2,579
United Airlines
On-time84%
Medianon time
p9030 min
Cancel0.7%
Flights290
Delta Air Lines
On-time80%
Medianon time
p9025 min
Cancel0.0%
Flights30
American Airlines
On-time79%
Medianon time
p9050 min
Cancel0.5%
Flights2,020
Southwest Airlines
On-time76%
Medianon time
p9040 min
Cancel1.0%
Flights2,032
Frontier Airlines
On-time74%
Medianon time
p9050 min
Cancel1.5%
Flights412

Why flights run late

Delay causes

Airline34%
Weather3%
Air traffic (NAS)14%
Late aircraft49%
Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

Airline22%
Weather31%
Air traffic (NAS)47%
Security0%

Most cancellations here are attributed to Air traffic (NAS). Shares are among 58 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 LAX → PHX

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 — 90% on time.

Mornings90% on time · p90 10 min · 5,915 flights
Middays82% on time · p90 30 min · 5,229 flights
Overnights78% on time · p90 35 min · 2,713 flights
Afternoons77% on time · p90 45 min · 3,356 flights
Evenings76% on time · p90 45 min · 4,676 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 76% to 87% on time.

Tuesdays87% on time · p90 20 min · 3,060 flights
Wednesdays86% on time · p90 20 min · 3,098 flights
Saturdays84% on time · p90 25 min · 2,809 flights
Mondays80% on time · p90 35 min · 3,250 flights
Thursdays79% on time · p90 35 min · 3,242 flights
Sundays78% on time · p90 40 min · 3,194 flights
Fridays76% on time · p90 40 min · 3,236 flights

Keep exploring

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