About 1 in 2 AA 5637 flights from Milwaukee arrived 15+ minutes late, diverted or cancelled over the past year (45%); 5.6% were cancelled. The typical flight landed 5 minutes late.
AA 5637: MKE → DCA
Scheduled to leave Milwaukee at 12:10 p.m. local time, operated by PSA Airlines as OH 5637. Over the past year it arrived on time 55% of the time (197 flights), worse than other AA flights on the route at that hour (62%). Last seen in the data Aug 31, 2026.
Usually American Airlines's last flight of the day from Milwaukee to Washington (87% of days). American Airlines's last MKE–DCA flight was cancelled 4.7% of the time, against 8.0% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 6:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 31 | 48% |
| Tuesday | 29 | 59% |
| Wednesday | 31 | 65% |
| Thursday | 30 | 50% |
| Friday | 31 | 58% |
| Saturday | 13 | — |
| Sunday | 32 | 53% |
Why it was late
All flights MKE → DCA · Connecting off AA 5637? Check the risk
Questions
How often is AA 5637 from MKE to DCA late?
American Airlines 5637 from Milwaukee, WI to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 45% of 197 scheduled flights between September 2025 and August 2026. 5.6% 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.