Flight Reliability
AA 422 · American Airlines
Washington → Miami (DCA–MIA)
89
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0.5%
- Cancelled
- 9 min early
- Median arrival delay
Based on 208 historical flights. Data through May 2026.
What the data says
Wednesdays have been rough.
AA 422 arrived on time 93% of the time on Saturdays and just 72% on Wednesdays. That gap is worth planning around.
A bit ahead of the DCA–MIA route.
AA 422 arrived on time 83% of the time, versus 76% across the DCA–MIA route.
A bit ahead of the American Airlines network.
AA 422 arrived on time 83% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon76%(29 flights)
- Tue87%(30 flights)
- Wed72%(29 flights)
- Thu83%(30 flights)
- Fri87%(30 flights)
- Sat93%(29 flights)
- Sun80%(30 flights)
81%
May
Jun 80% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 86% | 29 |
| August 2025 | 90% | 31 |
| September 2025 | 77% | 30 |
| October 2025 | 74% | 31 |
| April 2026 | 92% | 24 |
| May 2026 | 81% | 31 |
- Departures on time
- 93%
- Diverted
- 0%
- Flights flown
- 207
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 208 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.