Historical on-time performance
Boston to Phoenix
Flights on BOS–PHX arrive on time 75% of the time over the last 12 months.
based on 1,962 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- American AirlinesOn-time78%Medianon timep9035 minCancel1.7%Flights1,317
- JetBlue AirwaysOn-time74%Medianon timep9045 minCancel0.8%Flights246
- Delta Air LinesOn-time66%Medianon timep9055 minCancel2.0%Flights399
Why flights run late
Delay causes
- Airline38%
- Weather3%
- Air traffic (NAS)20%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline15%
- Weather82%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 33 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 BOS → 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 — 85% on time.
- Mornings85% on time · p90 20 min · 2,612 flights
- Middays82% on time · p90 30 min · 1,121 flights
- Afternoons72% on time · p90 60 min · 642 flights
- Evenings66% on time · p90 75 min · 1,828 flights
- Overnights50% on time · p90 95 min · 125 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 80% on time.
- Saturdays80% on time · p90 35 min · 893 flights
- Tuesdays79% on time · p90 45 min · 837 flights
- Wednesdays79% on time · p90 35 min · 859 flights
- Thursdays77% on time · p90 40 min · 937 flights
- Mondays77% on time · p90 40 min · 920 flights
- Sundays75% on time · p90 45 min · 954 flights
- Fridays73% on time · p90 60 min · 928 flights
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