United Airlines is the most reliable airline on the IAH to FLL route with a 79% on-time rate, compared to JetBlue Airways at 36%. Based on 5,522 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAH to FLL
Houston to Fort Lauderdale — airline reliability comparison
On-Time Rate by Airline
United Airlines79%
Spirit Airlines73%
Frontier Airlines61%
JetBlue Airways36%
IAH to FLL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 79% | 1.2% | 67m | 5,522 |
| Spirit AirlinesNK | 73% | 1.6% | 74m | 3,610 |
| Frontier AirlinesF9 | 61% | 4.3% | 56m | 112 |
| JetBlue AirwaysB6Worst | 36% | 2.9% | 76m | 68 |
Route Overview
76%
Overall On-Time
71m
Avg Delay
1.4%
Cancel Rate
9,336
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.