United Airlines is the most reliable airline on the IAH to TPA route with a 80% on-time rate, compared to Frontier Airlines at 67%. Based on 4,852 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAH to TPA
Houston to Tampa — airline reliability comparison
On-Time Rate by Airline
United Airlines80%
Spirit Airlines75%
Frontier Airlines67%
IAH to TPA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 80% | 1.3% | 67m | 4,852 |
| Spirit AirlinesNK | 75% | 1.9% | 84m | 770 |
| Frontier AirlinesF9Worst | 67% | 2.8% | 142m | 201 |
Route Overview
79%
Overall On-Time
74m
Avg Delay
1.5%
Cancel Rate
5,857
Total Flights
Flying out of IAH? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.