Historical on-time performance
Philadelphia to Austin
1,430 miData through Dec 2025Source: US DOT · BTS
Flights on PHL–AUS arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 1,078 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time73%Medianon timep9060 minCancel1.6%Flights1,078
Why flights run late
Delay causes
- Airline34%
- Weather3%
- Air traffic (NAS)19%
- Late aircraft44%
- 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 PHL → AUS
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 64% to 79% on time.
- Mornings79% on time · p90 35 min · 939 flights
- Middays79% on time · p90 50 min · 857 flights
- Afternoons68% on time · p90 75 min · 134 flights · limited
- Evenings66% on time · p90 75 min · 975 flights
- Overnights64% on time · p90 65 min · 75 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 80% on time.
- Tuesdays80% on time · p90 35 min · 415 flights
- Wednesdays78% on time · p90 40 min · 413 flights
- Saturdays76% on time · p90 60 min · 325 flights
- Fridays74% on time · p90 50 min · 440 flights
- Thursdays72% on time · p90 65 min · 461 flights
- Mondays72% on time · p90 70 min · 457 flights
- Sundays68% on time · p90 70 min · 469 flights
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