Historical on-time performance
Philadelphia to San Antonio
1,495 miData through Dec 2025Source: US DOT · BTS
Flights on PHL–SAT arrive on time 66% of the time over the last 12 months.
On-time rate66%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled4.3%of scheduled flights
based on 93 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time66%Medianon timep9075 minCancel4.3%Flights93
Why flights run late
Delay causes
- Airline54%
- Weather0%
- Air traffic (NAS)9%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly PHL → SAT
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 — 80% on time.
- Mornings80% on time · p90 30 min · 211 flights
- Evenings61% on time · p90 100 min · 87 flights · limited
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