Historical on-time performance
Dallas-Fort Worth to San Antonio
247 miData through May 2026Source: US DOT · BTS
Flights on DFW–SAT arrive on time 65% of the time over the last 12 months.
On-time rate65%arrived within 15 min
p90 delay75 min1 in 10 flights is worse (tail risk)
Cancelled3.4%of scheduled flights
based on 4,230 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time81%Medianon timep9050 minCancel2.9%Flights306
- Envoy AirOn-time74%Medianon timep9035 minCancel2.9%Flights373
- American AirlinesOn-time62%Medianon timep9080 minCancel3.4%Flights3,551
Why flights run late
Delay causes
- Airline32%
- Weather8%
- Air traffic (NAS)8%
- Late aircraft52%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline8%
- Weather89%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 142 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DFW → SAT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 81% on time.
- Mornings81% on time · p90 35 min · 2,441 flights
- Middays74% on time · p90 60 min · 2,502 flights
- Afternoons65% on time · p90 75 min · 2,754 flights
- Overnights58% on time · p90 90 min · 2,654 flights
- Evenings56% on time · p90 110 min · 2,808 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 62% to 69% on time.
- Tuesdays69% on time · p90 70 min · 1,818 flights
- Wednesdays69% on time · p90 70 min · 1,834 flights
- Fridays68% on time · p90 65 min · 1,916 flights
- Mondays66% on time · p90 75 min · 1,915 flights
- Thursdays66% on time · p90 70 min · 1,942 flights
- Saturdays66% on time · p90 80 min · 1,786 flights
- Sundays62% on time · p90 95 min · 1,948 flights
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