Historical on-time performance
Buffalo to Phoenix
1,912 miData through Dec 2025Source: US DOT · BTS
Flights on BUF–PHX arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 262 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time71%Medianon timep9040 minCancel0.8%Flights262
Why flights run late
Delay causes
- Airline14%
- Weather0%
- Air traffic (NAS)27%
- Late aircraft59%
- 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 BUF → PHX
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 129 flights · limited
- Middays74% on time · p90 25 min · 82 flights · limited
- Afternoons73% on time · p90 40 min · 281 flights
- Evenings64% on time · p90 45 min · 134 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 78% on time.
- Tuesdays78% on time · p90 20 min · 65 flights · limited
- Saturdays76% on time · p90 30 min · 190 flights · limited
- Thursdays76% on time · p90 30 min · 71 flights · limited
- Sundays74% on time · p90 35 min · 88 flights · limited
- Fridays73% on time · p90 30 min · 73 flights · limited
- Mondays72% on time · p90 50 min · 74 flights · limited
- Wednesdays71% on time · p90 60 min · 65 flights · limited
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