Charlotte (CLT) to San Antonio (SAT): On-Time Performance
Data through July 2026
When you fly CLT to SAT matters as much as anything else about the booking: the route swung from 84% on-time in November 2025 to just 42% in July 2024. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 66%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 3.8
- last 12 months
- Duration
- 3h 4m
- scheduled
- Distance
- 1,095 mi
Monthly on-time trend
Best time to fly from CLT to SAT
Aim for departures around 10 a.m. (97% on-time); avoid 8 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 21 min |
| Tuesday | 76% | 19 min |
| Wednesdaybest | 83% | 10 min |
| Thursday | 74% | 19 min |
| Friday | 73% | 18 min |
| Saturday | 70% | 22 min |
| Sunday | 67% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft51%
- Airline operations31%
- National airspace system10%
- Weather8%
Frequently asked questions
- How often are flights from CLT to SAT delayed?
- 27% of CLT–SAT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- What is the best time of day to fly from CLT to SAT?
- Departures around 10 a.m. have the best record (97% on-time), while departures around 8 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CLT to SAT?
- The scheduled CLT–SAT flight time averages 3h 4m over 1,095 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are CLT to SAT flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from CLT to SAT?
- July 2024 was the roughest month in this dataset, with only 42% of arrivals on time. The best was November 2025 at 84%. If your dates are flexible, that 42-point gap is worth planning around.
Explore related pages
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Based on 2,894 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.