CLT to SAT flight delays & on-time performance
Nonstop flights from Charlotte Douglas International Airport to San Antonio International Airport · 1,095 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CLT or SAT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Charlotte (CLT) to San Antonio (SAT) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.7% were cancelled, and 9% arrived an hour or more late.
- American Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (90% on time); around 8pm did worst (61%).
- Wednesday was the most reliable day to fly (86% on time) and Sunday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (52%).
Which airline is most on time from CLT to SAT?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 77% | 1.7% | 18 min | 8.9% | 1,379 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am89%205 flights
- 8am90%88 flights
- 9am89%44 flights
- 10am100%15 flights
- 11am77%35 flights
- 12pm94%31 flights
- 1pm81%56 flights
- 2pm71%150 flights
- 3pm65%60 flights
- 5pm85%52 flights
- 6pm70%221 flights
- 7pm78%120 flights
- 8pm61%227 flights
- 9pm85%42 flights
- 10pm88%27 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%1.5% cancelled
- Tuesday80%0.6% cancelled
- Wednesday86%1.0% cancelled
- Thursday77%1.0% cancelled
- Friday78%0.5% cancelled
- Saturday73%3.8% cancelled
- Sunday69%3.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion8%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
CLT to SAT: common questions
- How often are CLT to SAT flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Charlotte to San Antonio cancelled?
- 1.7% of scheduled flights were cancelled (23 of 1,379).
- How long are typical delays?
- Across all flights the average arrival delay was 18 min (early arrivals count as zero). Flights that were late arrived 72 min behind schedule on average, and 8.9% of flights were an hour or more late.
- How long is taxi time at CLT?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAT to CLT — 87% on time
More flights from Charlotte
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CLT → SAT, nonstop flights by US airlines that report to the DOT. How we calculate this.