Flight Reliability
AA 4750 · American Airlines
Louisville → Philadelphia (SDF–PHL)88% of its flights flew this route. The rest (MIA–BUF, LGA–PIT) are included in these numbers.
- 84%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.8%
- Cancelled
- 11 min early
- Median arrival delay
Based on 237 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
AA 4750 departing between 6–9 AM arrived on time 90% of the time, versus 36% between 6–9 PM.
Saturdays have been rough.
AA 4750 arrived on time 97% of the time on Mondays and just 65% on Saturdays. That gap is worth planning around.
Better than the American Airlines network average.
AA 4750 arrived on time 84% of the time, versus 77% across the American Airlines network.
Ticking up lately.
AA 4750 arrived on time 94% of the time over the last three months in the data, compared with 88% in the three months before that.
The breakdown
- Mon97%(30 flights)
- Tue90%(31 flights)
- Wed93%(30 flights)
- Thu71%(31 flights)
- Fri93%(30 flights)
- Sat65%(52 flights)
- Sun94%(31 flights)
- 6–9 AM90%(203 flights)
- 9 AM–12 PM—(5 flights)
- 12–3 PM—(1 flights)
- 3–6 PM—(4 flights)
- 6–9 PM36%(22 flights)
Jun 79% → May 100% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 29 |
| July 2025 | 81% | 31 |
| August 2025 | 90% | 31 |
| September 2025 | 93% | 30 |
| October 2025 | 87% | 31 |
| April 2026 | 96% | 25 |
| May 2026 | 100% | 31 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 235
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 237 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.