Historical on-time performance
Miami to Philadelphia
Flights on MIA–PHL arrive on time 74% of the time over the last 12 months.
based on 2,683 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-time74%Medianon timep9055 minCancel1.9%Flights2,489
- Frontier AirlinesOn-time71%Medianon timep9085 minCancel1.8%Flights163
- Spirit AirlinesOn-time52%Median5 minp90110 minCancel9.7%Flights31
Why flights run late
Delay causes
- Airline44%
- Weather4%
- Air traffic (NAS)13%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline4%
- Weather89%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 53 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 MIA → PHL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 15 min · 3,061 flights
- Middays73% on time · p90 60 min · 875 flights
- Afternoons66% on time · p90 75 min · 1,597 flights
- Evenings65% on time · p90 75 min · 1,774 flights
- Overnights63% on time · p90 80 min · 2,246 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 76% on time.
- Wednesdays76% on time · p90 50 min · 1,268 flights
- Tuesdays76% on time · p90 55 min · 1,255 flights
- Fridays74% on time · p90 60 min · 1,423 flights
- Thursdays73% on time · p90 60 min · 1,411 flights
- Mondays72% on time · p90 65 min · 1,391 flights
- Saturdays72% on time · p90 55 min · 1,370 flights
- Sundays67% on time · p90 70 min · 1,435 flights
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