Historical on-time performance
Phoenix to San Antonio
843 miData through Dec 2025Source: US DOT · BTS
Flights on PHX–SAT arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 2,486 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time90%Medianon timep9010 minCancel0.0%Flights30
- American AirlinesOn-time76%Medianon timep9060 minCancel0.5%Flights1,041
- Southwest AirlinesOn-time78%Medianon timep9035 minCancel0.6%Flights1,415
Why flights run late
Delay causes
- Airline29%
- Weather3%
- Air traffic (NAS)6%
- Late aircraft62%
- 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 → 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 — 91% on time.
- Mornings91% on time · p90 10 min · 2,200 flights
- Middays80% on time · p90 50 min · 1,913 flights
- Afternoons73% on time · p90 40 min · 1,289 flights
- Evenings69% on time · p90 55 min · 1,858 flights
- Overnights67% on time · p90 65 min · 424 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 83% on time.
- Tuesdays83% on time · p90 35 min · 1,061 flights
- Saturdays81% on time · p90 35 min · 899 flights
- Wednesdays80% on time · p90 35 min · 1,077 flights
- Sundays78% on time · p90 45 min · 1,095 flights
- Mondays77% on time · p90 45 min · 1,200 flights
- Fridays77% on time · p90 45 min · 1,180 flights
- Thursdays76% on time · p90 50 min · 1,178 flights
Advertisement
Keep exploring