Frontier Airlines is the most reliable airline on the IAH to MSY route with a 92% on-time rate, compared to Spirit Airlines at 76%. Based on 12 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: IAH to MSY
Houston to New Orleans — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines92%
Southwest Airlines84%
SkyWest Airlines82%
United Airlines80%
Spirit Airlines76%
IAH to MSY Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 92% | 0.0% | 70m | 12 |
| Southwest AirlinesWN | 84% | 1.7% | 60m | 600 |
| SkyWest AirlinesOO | 82% | 3.4% | 78m | 126 |
| United AirlinesUA | 80% | 1.4% | 65m | 9,161 |
| Spirit AirlinesNKWorst | 76% | 1.8% | 83m | 944 |
Route Overview
80%
Overall On-Time
67m
Avg Delay
1.4%
Cancel Rate
10,913
Total Flights
Flying out of IAH? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.