Historical on-time performance
San Antonio to Atlanta
Flights on SAT–ATL arrive on time 84% of the time over the last 12 months.
based on 2,854 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.
- Delta Air LinesOn-time85%Medianon timep9020 minCancel1.7%Flights2,610
- Southwest AirlinesOn-time83%Medianon timep9025 minCancel0.0%Flights214
- Spirit AirlinesOn-time50%Median10 minp9050 minCancel0.0%Flights30
Why flights run late
Delay causes
- Airline38%
- Weather4%
- Air traffic (NAS)19%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline75%
- Weather25%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 44 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 SAT → ATL
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 — 91% on time.
- Mornings91% on time · p90 5 min · 3,301 flights
- Middays83% on time · p90 25 min · 2,753 flights
- Evenings77% on time · p90 45 min · 1,606 flights
- Afternoons76% on time · p90 45 min · 1,509 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 88% on time.
- Wednesdays88% on time · p90 15 min · 1,251 flights
- Saturdays86% on time · p90 15 min · 1,136 flights
- Tuesdays85% on time · p90 20 min · 1,267 flights
- Thursdays84% on time · p90 25 min · 1,387 flights
- Mondays82% on time · p90 30 min · 1,403 flights
- Fridays82% on time · p90 30 min · 1,406 flights
- Sundays79% on time · p90 30 min · 1,364 flights
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