Flight Reliability
AA 459 · American Airlines
Charlotte → St. Louis (CLT–STL)99% of its flights flew this route. The rest (CLT–PHL) are included in these numbers.
- 67%
- Arrive within 15 minutes
- 30 min
- Average arrival delay
- 0.6%
- Cancelled
- 3 min
- Median arrival delay
Based on 157 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AA 459 arrived on time 77% of the time on Saturdays and just 52% on Sundays. That gap is worth planning around.
Lagging the CLT–STL route.
AA 459 arrived on time 67% of the time, versus 78% across the CLT–STL route.
Lagging the American Airlines network.
AA 459 arrived on time 67% of the time, versus 77% across the American Airlines network.
Trending in the right direction.
AA 459 arrived on time 78% of the time over the last three months in the data, compared with 55% in the three months before that.
The breakdown
- Mon59%(22 flights)
- Tue64%(22 flights)
- Wed74%(23 flights)
- Thu74%(23 flights)
- Fri64%(22 flights)
- Sat77%(22 flights)
- Sun52%(21 flights)
- 6–9 AM—(1 flights)
- 9 PM–12 AM66%(154 flights)
Jun 56% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 56% | 25 |
| July 2025 | 45% | 29 |
| August 2025 | 66% | 29 |
| September 2025 | 80% | 30 |
| October 2025 | 80% | 30 |
| May 2026 | 73% | 11 |
- Departures on time
- 58%
- Diverted
- 0.6%
- Flights flown
- 155
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 157 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.