Historical on-time performance
Phoenix to Billings
873 miData through Dec 2025Source: US DOT · BTS
Flights on PHX–BIL arrive on time 89% of the time over the last 12 months.
On-time rate89%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights
based on 62 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time89%Medianon timep9015 minCancel0.0%Flights62
Why flights run late
Delay causes
- Airline19%
- Weather0%
- Air traffic (NAS)17%
- Late aircraft64%
- 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 PHX → BIL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 88% to 93% on time.
- Overnights93% on time · p90 5 min · 221 flights
- Middays92% on time · p90 5 min · 63 flights · limited
- Evenings88% on time · p90 15 min · 84 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 88% to 96% on time.
- Tuesdays96% on time · p90 on time · 57 flights · limited
- Wednesdays93% on time · p90 5 min · 58 flights · limited
- Mondays93% on time · p90 10 min · 56 flights · limited
- Fridays91% on time · p90 5 min · 56 flights · limited
- Saturdays89% on time · p90 15 min · 57 flights · limited
- Sundays88% on time · p90 15 min · 57 flights · limited
- Thursdays88% on time · p90 25 min · 57 flights · limited
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