Historical on-time performance
Phoenix to Austin
872 miData through Dec 2025Source: US DOT · BTS
Flights on PHX–AUS arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 3,165 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.
- American AirlinesOn-time77%Medianon timep9045 minCancel0.5%Flights1,210
- Southwest AirlinesOn-time78%Medianon timep9040 minCancel0.6%Flights1,955
Why flights run late
Delay causes
- Airline32%
- Weather3%
- Air traffic (NAS)16%
- Late aircraft49%
- 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 → AUS
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 · 3,300 flights
- Middays78% on time · p90 40 min · 2,284 flights
- Afternoons72% on time · p90 50 min · 2,086 flights
- Evenings70% on time · p90 50 min · 1,960 flights
- Overnights66% on time · p90 60 min · 451 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 84% on time.
- Tuesdays84% on time · p90 25 min · 1,402 flights
- Wednesdays82% on time · p90 35 min · 1,430 flights
- Saturdays81% on time · p90 30 min · 1,145 flights
- Mondays78% on time · p90 40 min · 1,543 flights
- Sundays77% on time · p90 45 min · 1,501 flights
- Thursdays76% on time · p90 40 min · 1,519 flights
- Fridays75% on time · p90 45 min · 1,551 flights
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