Alaska Airlines is the most reliable airline on the PDX to MIA route with a 82% on-time rate, compared to American Airlines at 81%. Based on 425 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PDX to MIA
Portland to Miami — airline reliability comparison
On-Time Rate by Airline
Alaska Airlines82%
American Airlines81%
PDX to MIA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Alaska AirlinesASBest | 82% | 2.5% | 62m | 425 |
| American AirlinesAAWorst | 81% | 0.7% | 63m | 665 |
Route Overview
81%
Overall On-Time
69m
Avg Delay
1.5%
Cancel Rate
1,107
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.