Historical on-time performance
Boise to Phoenix
Flights on BOI–PHX arrive on time 84% of the time over the last 12 months.
based on 1,850 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.
- SkyWest AirlinesOn-time85%Medianon timep9025 minCancel0.7%Flights1,005
- Envoy AirOn-time84%Medianon timep9025 minCancel0.0%Flights31
- Southwest AirlinesOn-time83%Medianon timep9025 minCancel0.4%Flights814
Why flights run late
Delay causes
- Airline42%
- Weather7%
- Air traffic (NAS)14%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather30%
- Air traffic (NAS)20%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 10 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 BOI → 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 — 92% on time.
- Mornings92% on time · p90 5 min · 1,980 flights
- Middays84% on time · p90 30 min · 1,438 flights
- Afternoons80% on time · p90 30 min · 905 flights
- Evenings73% on time · p90 45 min · 1,052 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 87% on time.
- Saturdays87% on time · p90 20 min · 685 flights
- Tuesdays87% on time · p90 20 min · 700 flights
- Wednesdays86% on time · p90 15 min · 736 flights
- Sundays85% on time · p90 20 min · 833 flights
- Mondays82% on time · p90 30 min · 802 flights
- Thursdays82% on time · p90 30 min · 806 flights
- Fridays81% on time · p90 40 min · 813 flights
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