SkyWest Airlines is the most reliable airline on the IAH to RDU route with a 89% on-time rate, compared to Frontier Airlines at 70%. Based on 44 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAH to RDU
Houston to Raleigh — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines89%
United Airlines80%
Frontier Airlines70%
IAH to RDU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 89% | 0.0% | 30m | 44 |
| United AirlinesUA | 80% | 1.1% | 60m | 2,532 |
| Frontier AirlinesF9Worst | 70% | 2.7% | 73m | 437 |
Route Overview
79%
Overall On-Time
66m
Avg Delay
1.3%
Cancel Rate
3,071
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.