Historical on-time performance
Phoenix to Flagstaff
119 miData through May 2026Source: US DOT · BTS
Flights on PHX–FLG arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 1,204 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time75%Medianon timep9060 minCancel1.6%Flights1,204
Why flights run late
Delay causes
- Airline68%
- Weather4%
- Air traffic (NAS)4%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline11%
- Weather84%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Weather. 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 PHX → FLG
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 — 89% on time.
- Mornings89% on time · p90 10 min · 771 flights
- Afternoons84% on time · p90 30 min · 769 flights
- Evenings83% on time · p90 30 min · 453 flights
- Middays82% on time · p90 35 min · 1,000 flights
- Overnights82% on time · p90 45 min · 845 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.
- Tuesdays87% on time · p90 20 min · 495 flights
- Wednesdays87% on time · p90 20 min · 516 flights
- Saturdays85% on time · p90 20 min · 523 flights
- Thursdays85% on time · p90 25 min · 582 flights
- Mondays82% on time · p90 35 min · 561 flights
- Fridays80% on time · p90 35 min · 575 flights
- Sundays80% on time · p90 60 min · 587 flights
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