Historical on-time performance
Houston to Phoenix
1,020 miData through May 2026Source: US DOT · BTS
Flights on HOU–PHX arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 2,154 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.6%Flights2,154
Why flights run late
Delay causes
- Airline33%
- Weather3%
- Air traffic (NAS)13%
- Late aircraft51%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline62%
- Weather15%
- Air traffic (NAS)23%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 13 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 HOU → 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 — 92% on time.
- Mornings92% on time · p90 10 min · 2,055 flights
- Middays80% on time · p90 25 min · 1,025 flights
- Afternoons74% on time · p90 40 min · 1,029 flights
- Overnights69% on time · p90 50 min · 1,109 flights
- Evenings66% on time · p90 55 min · 1,065 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Tuesdays83% on time · p90 25 min · 872 flights
- Wednesdays81% on time · p90 35 min · 867 flights
- Saturdays80% on time · p90 35 min · 758 flights
- Mondays78% on time · p90 35 min · 947 flights
- Fridays77% on time · p90 35 min · 956 flights
- Sundays77% on time · p90 35 min · 936 flights
- Thursdays76% on time · p90 35 min · 947 flights
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