Historical on-time performance
Miami to Phoenix
1,972 miData through May 2026Source: US DOT · BTS
Flights on MIA–PHX arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 1,834 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time77%Medianon timep9040 minCancel0.8%Flights1,834
Why flights run late
Delay causes
- Airline46%
- Weather6%
- Air traffic (NAS)14%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline21%
- Weather57%
- Air traffic (NAS)21%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 14 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 → PHX
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 — 86% on time.
- Mornings86% on time · p90 20 min · 1,229 flights
- Middays75% on time · p90 60 min · 1,164 flights
- Overnights72% on time · p90 55 min · 1,037 flights
- Evenings70% on time · p90 55 min · 1,492 flights
- Afternoons70% on time · p90 60 min · 444 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 77% on time.
- Wednesdays77% on time · p90 40 min · 749 flights
- Tuesdays77% on time · p90 50 min · 756 flights
- Fridays76% on time · p90 50 min · 774 flights
- Mondays75% on time · p90 45 min · 769 flights
- Thursdays74% on time · p90 40 min · 768 flights
- Saturdays74% on time · p90 55 min · 770 flights
- Sundays72% on time · p90 60 min · 780 flights
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