Flight Reliability
AA 423 · American Airlines
Charlotte → Philadelphia (CLT–PHL)81% of its flights flew this route. The rest (SFO–MIA) are included in these numbers.
- 64%
- Arrive within 15 minutes
- 34 min
- Average arrival delay
- 3.8%
- Cancelled
- 6 min
- Median arrival delay
Based on 157 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AA 423 departing between 12–3 PM arrived on time 76% of the time, versus 57% between 6–9 PM.
Wednesdays have been rough.
AA 423 arrived on time 85% of the time on Tuesdays and just 57% on Wednesdays. That gap is worth planning around.
Lagging the CLT–PHL route.
AA 423 arrived on time 64% of the time, versus 78% across the CLT–PHL route.
Lagging the American Airlines network.
AA 423 arrived on time 64% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon59%(22 flights)
- Tue85%(20 flights)
- Wed57%(21 flights)
- Thu62%(21 flights)
- Fri59%(22 flights)
- Sat64%(22 flights)
- Sun61%(23 flights)
- 12–3 PM76%(29 flights)
- 3–6 PM70%(37 flights)
- 6–9 PM57%(85 flights)
Jun 63% → Mar 70% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 30 |
| July 2025 | 44% | 27 |
| August 2025 | 48% | 31 |
| September 2025 | 83% | 29 |
| March 2026 | 70% | 23 |
- Departures on time
- 58%
- Diverted
- 0%
- Flights flown
- 151
- 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.