PHX → IAH: 80% on-time

Historical on-time performance

Phoenix to Houston

1,009 miData through May 2026Source: US DOT · BTS

Flights on PHX–IAH arrive on time 80% of the time over the last 12 months.

On-time rate80%arrived within 15 min

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

Cancelled1.0%of scheduled flights

based on 2,581 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Airline	On-time	Median	p90	Cancel	Flights
United Airlinesbest	83%	on time	30 min	0.7%	1,787
Envoy Air⚠ low data	80%	on time	25 min	1.7%	60
Frontier Airlines⚠ low data	78%	on time	30 min	0.0%	63
American Airlines	76%	on time	50 min	1.4%	579
SkyWest Airlines⚠ low data	61%	5 min	125 min	4.3%	92

Why flights run late

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Most cancellations here are attributed to Weather. Shares are among 26 cancellations with a reported cause (BTS reports causes from June 2003).

Over time

By season

When to fly

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

Mornings are the most reliable time of day to fly this route — 87% on time.

On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.

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