Historical on-time performance
San Jose to Phoenix
622 miData through May 2026Source: US DOT · BTS
Flights on SJC–PHX arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 2,851 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time87%Medianon timep9020 minCancel0.6%Flights169
- American AirlinesbestOn-time87%Medianon timep9020 minCancel0.8%Flights616
- SkyWest AirlinesOn-time83%Medianon timep9035 minCancel1.7%Flights181
- Southwest AirlinesOn-time79%Medianon timep9030 minCancel0.5%Flights1,885
Why flights run late
Delay causes
- Airline26%
- Weather2%
- Air traffic (NAS)12%
- Late aircraft60%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline58%
- Weather32%
- Air traffic (NAS)11%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 19 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 SJC → 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 — 93% on time.
- Mornings93% on time · p90 5 min · 3,557 flights
- Middays84% on time · p90 25 min · 2,026 flights
- Evenings79% on time · p90 35 min · 1,759 flights
- Afternoons77% on time · p90 35 min · 1,254 flights
- Overnights69% on time · p90 50 min · 761 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 89% on time.
- Saturdays89% on time · p90 15 min · 1,121 flights
- Tuesdays88% on time · p90 15 min · 1,267 flights
- Wednesdays87% on time · p90 15 min · 1,286 flights
- Fridays82% on time · p90 30 min · 1,444 flights
- Mondays82% on time · p90 30 min · 1,414 flights
- Sundays82% on time · p90 30 min · 1,396 flights
- Thursdays81% on time · p90 30 min · 1,429 flights
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