Frontier Airlines is the most reliable airline on the MCO to SAT route with a 80% on-time rate, compared to Southwest Airlines at 75%. Based on 530 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MCO to SAT
Orlando to San Antonio — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines80%
Spirit Airlines80%
Southwest Airlines75%
MCO to SAT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 80% | 2.6% | 54m | 530 |
| Spirit AirlinesNK | 80% | 2.0% | 68m | 995 |
| Southwest AirlinesWNWorst | 75% | 0.5% | 60m | 2,622 |
Route Overview
76%
Overall On-Time
63m
Avg Delay
1.2%
Cancel Rate
4,205
Total Flights
Flying out of MCO? 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.