Historical on-time performance

LAXIAH

Los Angeles to Houston

1,379 miData through Dec 2025Source: US DOT · BTS

Flights on LAX–IAH arrive on time 84% of the time over the last 12 months.

On-time rate84%arrived within 15 min

Median delayon timetypical arrival

p90 delay25 min1 in 10 flights is worsetail risk

Cancelled0.8%of scheduled flights

based on 5,239 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
SkyWest Airlines	85%	on time	20 min	0.3%	380
United Airlinesbest	86%	on time	20 min	0.6%	3,267
Delta Air Lines	84%	on time	30 min	1.2%	650
Spirit Airlines	81%	on time	40 min	1.4%	727
Frontier Airlines	52%	5 min	90 min	2.8%	215

SkyWest Airlines
On-time85%
Medianon time
p9020 min
Cancel0.3%
Flights380
United Airlinesbest
On-time86%
Medianon time
p9020 min
Cancel0.6%
Flights3,267
Delta Air Lines
On-time84%
Medianon time
p9030 min
Cancel1.2%
Flights650
Spirit Airlines
On-time81%
Medianon time
p9040 min
Cancel1.4%
Flights727
Frontier Airlines
On-time52%
Median5 min
p9090 min
Cancel2.8%
Flights215

Why flights run late

Delay causes

Airline34%
Weather1%
Air traffic (NAS)28%
Late aircraft37%
Security0%

Most delay minutes here are attributed to Late aircraft.

Over time

On-time trend

By season

On-time rate by month

Advertisement

Keep exploring

Related pages

Delay predictorfor this route→LAX airportLos Angeles→IAH airportHouston→SkyWest Airlines on this routecarrier detail→SkyWest Airlinesairline profile→