SkyWest Airlines is the most reliable airline on the RDU to IAH route with a 93% on-time rate, compared to Frontier Airlines at 66%. Based on 44 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RDU to IAH
Raleigh to Houston — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines93%
United Airlines84%
Frontier Airlines66%
RDU to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 93% | 0.0% | 34m | 44 |
| United AirlinesUA | 84% | 1.2% | 75m | 2,536 |
| Frontier AirlinesF9Worst | 66% | 1.8% | 84m | 437 |
Route Overview
81%
Overall On-Time
80m
Avg Delay
1.3%
Cancel Rate
3,075
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.