About 1 in 5 AA 4393 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (20%); 1.5% were cancelled. The typical flight landed 11 minutes early.
AA 4393: LGA → DCA
Scheduled to leave New York at 9:03 a.m. local time, operated by Republic Airways as YX 4393. Over the past year it arrived on time 80% of the time (131 flights), better than other AA flights on the route at that hour (72%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 24 | 67% |
| Tuesday | 23 | 87% |
| Wednesday | 23 | 74% |
| Thursday | 24 | 83% |
| Friday | 23 | 78% |
| Sunday | 14 | — |
Why it was late
All flights LGA → DCA · Connecting off AA 4393? Check the risk
Questions
How often is AA 4393 from LGA to DCA late?
American Airlines 4393 from New York, NY to Washington, DC arrived 15 or more minutes late, was diverted or was cancelled on 20% of 131 scheduled flights between September 2025 and August 2026. 1.5% 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.