Historical on-time performance
Phoenix to Houston
1,020 miData through May 2026Source: US DOT · BTS
Flights on PHX–HOU arrive on time 72% of the time over the last 12 months.
On-time rate72%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 2,160 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time72%Medianon timep9040 minCancel0.5%Flights2,160
Why flights run late
Delay causes
- Airline34%
- Weather0%
- Air traffic (NAS)14%
- Late aircraft51%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline27%
- Weather9%
- Air traffic (NAS)64%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 11 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 → HOU
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 — 91% on time.
- Mornings91% on time · p90 10 min · 2,259 flights
- Middays78% on time · p90 25 min · 1,241 flights
- Afternoons68% on time · p90 45 min · 1,004 flights
- Evenings65% on time · p90 55 min · 1,312 flights
- Overnights58% on time · p90 60 min · 453 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.
- Tuesdays80% on time · p90 30 min · 871 flights
- Wednesdays79% on time · p90 30 min · 867 flights
- Saturdays79% on time · p90 25 min · 754 flights
- Thursdays76% on time · p90 40 min · 941 flights
- Mondays76% on time · p90 40 min · 943 flights
- Sundays76% on time · p90 35 min · 942 flights
- Fridays73% on time · p90 40 min · 951 flights
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