United Airlines is the most reliable airline on the GRR to IAH route with a 85% on-time rate, compared to SkyWest Airlines at 74%. Based on 398 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: GRR to IAH
Grand Rapids to Houston — airline reliability comparison
On-Time Rate by Airline
United Airlines85%
SkyWest Airlines74%
GRR to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 85% | 1.8% | 62m | 398 |
| SkyWest AirlinesOOWorst | 74% | 5.0% | 61m | 279 |
Route Overview
80%
Overall On-Time
63m
Avg Delay
2.9%
Cancel Rate
691
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.