Dallas to Houston — airline reliability comparison
is the most reliable airline on the DFW to IAH route with a 83% on-time rate, compared to Frontier Airlines at 63%. Based on 2,863 flights tracked.
This route involves high-congestion airports, which can affect reliability regardless of airline.
Source: Bureau of Transportation Statistics. Updated October 2026.| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| MQBest | 83% | 3.3% | 59m | 2,863 |
| Spirit AirlinesNK | 82% | 1.5% | 74m | 187 |
| SkyWest AirlinesOO | 77% | 2.6% | 79m | 255 |
| United AirlinesUA | 76% | 1.9% | 88m | 6,367 |
| American AirlinesAA | 65% | 3.2% | 79m | 8,815 |
| Frontier AirlinesF9Worst | 63% | 3.9% | 72m | 528 |
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.