Historical on-time performance
Salt Lake City to San Antonio
Flights on SLC–SAT arrive on time 83% of the time over the last 12 months.
based on 1,006 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time83%Medianon timep9025 minCancel0.9%Flights1,006
Why flights run late
Delay causes
- Airline70%
- Weather3%
- Air traffic (NAS)8%
- Late aircraft18%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline78%
- Weather22%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 9 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 SLC → SAT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 70% to 86% on time.
- Mornings86% on time · p90 20 min · 814 flights
- Middays83% on time · p90 25 min · 1,018 flights
- Evenings81% on time · p90 30 min · 269 flights
- Overnights79% on time · p90 35 min · 826 flights
- Afternoons70% on time · p90 60 min · 131 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 84% on time.
- Tuesdays84% on time · p90 25 min · 447 flights
- Wednesdays84% on time · p90 30 min · 446 flights
- Saturdays83% on time · p90 20 min · 351 flights
- Sundays82% on time · p90 30 min · 446 flights
- Mondays82% on time · p90 25 min · 455 flights
- Fridays81% on time · p90 30 min · 457 flights
- Thursdays80% on time · p90 40 min · 456 flights
Keep exploring