About 1 in 4 AA 5646 flights from Milwaukee arrived 15+ minutes late, diverted or cancelled over the past year (25%); 8.1% were cancelled. The typical flight landed 9 minutes early.
AA 5646: MKE → DCA
Scheduled to leave Milwaukee at 6:00 a.m. local time, operated by PSA Airlines as OH 5646. Over the past year it arrived on time 75% of the time (333 flights), in line with other AA flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 50 | 76% |
| Tuesday | 50 | 76% |
| Wednesday | 50 | 62% |
| Thursday | 49 | 86% |
| Friday | 49 | 71% |
| Saturday | 43 | 79% |
| Sunday | 42 | 79% |
Why it was late
All flights MKE → DCA · Connecting off AA 5646? Check the risk
Questions
How often is AA 5646 from MKE to DCA late?
American Airlines 5646 from Milwaukee, WI to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 25% of 333 scheduled flights between September 2025 and August 2026. 8.1% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check American Airlines for today's flight. Method.