Historical on-time performance
Miami to Phoenix
1,972 miData through Dec 2025Source: 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)
Cancelled0.3%of scheduled flights
based on 1,818 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 minCancel0.3%Flights1,818
Why flights run late
Delay causes
- Airline36%
- Weather5%
- Air traffic (NAS)17%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 83% on time.
- Mornings83% on time · p90 20 min · 1,137 flights
- Middays74% on time · p90 60 min · 1,030 flights
- Overnights70% on time · p90 60 min · 1,030 flights
- Afternoons69% on time · p90 65 min · 432 flights
- Evenings68% on time · p90 55 min · 1,392 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 75% on time.
- Tuesdays75% on time · p90 50 min · 711 flights
- Mondays75% on time · p90 50 min · 722 flights
- Wednesdays74% on time · p90 45 min · 707 flights
- Fridays74% on time · p90 50 min · 719 flights
- Thursdays73% on time · p90 45 min · 714 flights
- Saturdays73% on time · p90 55 min · 720 flights
- Sundays71% on time · p90 55 min · 728 flights
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