United Airlines is the most reliable airline on the SDF to IAH route with a 69% on-time rate. Based on 207 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SDF to IAH
Louisville to Houston — airline reliability comparison
On-Time Rate by Airline
United Airlines69%
SDF to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 69% | 1.5% | 91m | 207 |
Route Overview
70%
Overall On-Time
90m
Avg Delay
1.3%
Cancel Rate
225
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.