About 1 in 6 AA 5603 flights from Columbia arrived 15+ minutes late, diverted or cancelled over the past year (17%); 4.7% were cancelled. The typical flight landed 17 minutes early.
AA 5603: CAE → DCA
Scheduled to leave Columbia at 6:00 a.m. local time, operated by PSA Airlines as OH 5603. Over the past year it arrived on time 83% of the time (258 flights), worse than other AA flights on the route at that hour (88%). Last seen in the data Aug 5, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 38 | 84% |
| Tuesday | 39 | 85% |
| Wednesday | 39 | 92% |
| Thursday | 36 | 78% |
| Friday | 37 | 76% |
| Saturday | 32 | 72% |
| Sunday | 37 | 89% |
Why it was late
All flights CAE → DCA · Connecting off AA 5603? Check the risk
Questions
How often is AA 5603 from CAE to DCA late?
American Airlines 5603 from Columbia, SC to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 17% of 258 scheduled flights between September 2025 and August 2026. 4.7% 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.