Frontier Airlines is the most reliable airline on the MCO to ONT route with a 64% on-time rate. Based on 267 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MCO to ONT
Orlando to Ontario — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines64%
MCO to ONT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 64% | 0.7% | 65m | 267 |
Route Overview
66%
Overall On-Time
68m
Avg Delay
0.4%
Cancel Rate
267
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.