Historical on-time performance
Tampa to Houston
787 miData through Dec 2025Source: US DOT · BTS
Flights on TPA–IAH arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 1,442 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time84%Medianon timep9025 minCancel0.8%Flights1,379
- Spirit AirlinesOn-time78%Medianon timep9090 minCancel1.6%Flights63
Why flights run late
Delay causes
- Airline30%
- Weather9%
- Air traffic (NAS)35%
- Late aircraft25%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly TPA → IAH
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 1,908 flights
- Middays81% on time · p90 30 min · 1,143 flights
- Overnights79% on time · p90 90 min · 82 flights · limited
- Afternoons73% on time · p90 65 min · 733 flights
- Evenings68% on time · p90 90 min · 1,124 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 83% on time.
- Saturdays83% on time · p90 30 min · 710 flights
- Tuesdays81% on time · p90 35 min · 678 flights
- Wednesdays81% on time · p90 45 min · 677 flights
- Fridays79% on time · p90 45 min · 716 flights
- Mondays78% on time · p90 50 min · 733 flights
- Thursdays78% on time · p90 45 min · 733 flights
- Sundays77% on time · p90 60 min · 743 flights
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