Historical on-time performance
Portland to Miami
Flights on PDX–MIA arrive on time 83% of the time over the last 12 months.
based on 156 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- American AirlinesOn-time85%Medianon timep9020 minCancel1.6%Flights124
- Alaska AirlinesOn-time78%Medianon timep9055 minCancel0.0%Flights32
Why flights run late
Delay causes
- Airline19%
- Weather32%
- Air traffic (NAS)9%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 2 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PDX → MIA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 76% to 80% on time.
- Overnights80% on time · p90 35 min · 723 flights
- Mornings76% on time · p90 40 min · 322 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 84% on time.
- Mondays84% on time · p90 20 min · 165 flights · limited
- Wednesdays82% on time · p90 25 min · 147 flights · limited
- Tuesdays81% on time · p90 25 min · 156 flights · limited
- Thursdays81% on time · p90 20 min · 157 flights · limited
- Sundays77% on time · p90 55 min · 164 flights · limited
- Fridays74% on time · p90 45 min · 162 flights · limited
- Saturdays72% on time · p90 75 min · 163 flights · limited
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