Historical on-time performance
Tucson to Houston
945 miData through May 2026Source: US DOT · BTS
Flights on TUS–HOU arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 151 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time85%Medianon timep9015 minCancel0.0%Flights151
Why flights run late
Delay causes
- Airline40%
- Weather2%
- Air traffic (NAS)20%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather60%
- Air traffic (NAS)7%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 15 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 TUS → 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 — 95% on time.
- Mornings95% on time · p90 5 min · 283 flights
- Middays84% on time · p90 20 min · 405 flights
- Afternoons74% on time · p90 30 min · 262 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 90% on time.
- Saturdays90% on time · p90 15 min · 149 flights · limited
- Tuesdays88% on time · p90 10 min · 130 flights · limited
- Sundays88% on time · p90 15 min · 146 flights · limited
- Wednesdays87% on time · p90 20 min · 127 flights · limited
- Mondays82% on time · p90 20 min · 137 flights · limited
- Fridays81% on time · p90 30 min · 139 flights · limited
- Thursdays79% on time · p90 30 min · 135 flights · limited
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