Historical on-time performance
Houston to Tampa
Flights on IAH–TPA arrive on time 82% of the time over the last 12 months.
based on 1,406 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time83%Medianon timep9035 minCancel0.4%Flights1,376
- Spirit AirlinesOn-time53%Median10 minp9080 minCancel3.3%Flights30
Why flights run late
Delay causes
- Airline21%
- Weather11%
- Air traffic (NAS)22%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather43%
- Air traffic (NAS)43%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 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 IAH → TPA
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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,485 flights
- Afternoons78% on time · p90 55 min · 766 flights
- Middays73% on time · p90 55 min · 1,341 flights
- Evenings72% on time · p90 60 min · 1,359 flights
- Overnights65% on time · p90 165 min · 120 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.
- Tuesdays83% on time · p90 25 min · 681 flights
- Saturdays80% on time · p90 45 min · 717 flights
- Wednesdays78% on time · p90 40 min · 676 flights
- Thursdays76% on time · p90 45 min · 753 flights
- Mondays76% on time · p90 50 min · 746 flights
- Fridays76% on time · p90 60 min · 735 flights
- Sundays75% on time · p90 55 min · 763 flights
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