United Airlines is the most reliable airline on the MCO to IAD route with a 80% on-time rate, compared to Frontier Airlines at 79%. Based on 6,167 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MCO to IAD
Orlando to Washington — airline reliability comparison
On-Time Rate by Airline
United Airlines80%
Frontier Airlines79%
MCO to IAD Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| United AirlinesUABest | 80% | 1.1% | 79m | 6,167 |
| Frontier AirlinesF9Worst | 79% | 2.2% | 67m | 505 |
Route Overview
80%
Overall On-Time
79m
Avg Delay
1.2%
Cancel Rate
6,672
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.