United Airlines is the most reliable airline on the MCO to IAH route with a 81% on-time rate, compared to Frontier Airlines at 70%. Based on 8,209 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MCO to IAH
Orlando to Houston — airline reliability comparison
On-Time Rate by Airline
United Airlines81%
Southwest Airlines78%
Spirit Airlines72%
Frontier Airlines70%
MCO to IAH Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 81% | 1.3% | 86m | 8,209 |
| Southwest AirlinesWN | 78% | 0.8% | 57m | 633 |
| Spirit AirlinesNK | 72% | 1.6% | 73m | 2,967 |
| Frontier AirlinesF9Worst | 70% | 1.3% | 71m | 1,511 |
Route Overview
78%
Overall On-Time
81m
Avg Delay
1.4%
Cancel Rate
13,329
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.