Flight Reliability
AA 591 · American Airlines
Los Angeles → Washington (LAX–DCA)
78
Usually Fine
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 209 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
AA 591 arrived on time 97% of the time on Thursdays and just 69% on Fridays. That gap is worth planning around.
The breakdown
- Mon76%(29 flights)
- Tue80%(30 flights)
- Wed75%(28 flights)
- Thu97%(29 flights)
- Fri69%(29 flights)
- Sat76%(29 flights)
- Sun83%(30 flights)
71%
May
Jun 71% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 28 |
| July 2025 | 73% | 30 |
| August 2025 | 90% | 29 |
| September 2025 | 80% | 30 |
| October 2025 | 94% | 31 |
| April 2026 | 75% | 24 |
| May 2026 | 71% | 31 |
- Departures on time
- 73%
- Diverted
- 1.4%
- Flights flown
- 204
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 209 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.