Route Reliability
Charlotte → San Antonio
CLT–SAT · 1,095 miles · Charlotte Douglas International Airport to San Antonio International Airport
- 77%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.7%
- Cancelled
- 1,372
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 77% of the time across 1,372 flights. No comparison to make.
What the data says
Morning flights do better here.
CLT–SAT flights departing between 6–9 AM arrived on time 89% of the time, versus 67% between 6–9 PM.
Sunday scaries are real for this one.
CLT–SAT flights arrived on time 87% of the time on Wednesdays and just 71% on Sundays. That gap is worth planning around.
Slipping a little lately.
CLT–SAT flights arrived on time 76% of the time over the last three months in the data, compared with 81% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon72%(199 flights)
- Tue77%(179 flights)
- Wed87%(194 flights)
- Thu77%(200 flights)
- Fri81%(201 flights)
- Sat76%(172 flights)
- Sun71%(201 flights)
- 6–9 AM89%(286 flights)
- 9 AM–12 PM85%(133 flights)
- 12–3 PM79%(213 flights)
- 3–6 PM80%(104 flights)
- 6–9 PM67%(545 flights)
- 9 PM–12 AM86%(65 flights)
Jun 65% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 112 |
| July 2025 | 69% | 118 |
| August 2025 | 73% | 112 |
| September 2025 | 84% | 120 |
| October 2025 | 83% | 124 |
| November 2025 | 84% | 100 |
| December 2025 | 80% | 108 |
| January 2026 | 84% | 103 |
| February 2026 | 80% | 101 |
| March 2026 | 80% | 113 |
| April 2026 | 80% | 115 |
| May 2026 | 68% | 120 |
Keep nerding
Based on 1,372 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.