About 5 in 10 AA 1243 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (50%); 3.9% were cancelled. The typical flight landed 9 minutes late.
AA 1243: DFW → SAN
Scheduled to leave Dallas at 7:02 p.m. local time. Over the past year it arrived on time 50% of the time (182 flights), worse than other AA flights on the route at that hour (57%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 46% |
| Tuesday | 26 | 54% |
| Wednesday | 26 | 58% |
| Thursday | 26 | 54% |
| Friday | 26 | 54% |
| Saturday | 26 | 54% |
| Sunday | 26 | 31% |
Why it was late
All flights DFW → SAN · Connecting off AA 1243? Check the risk
Questions
How often is AA 1243 from DFW to SAN late?
American Airlines 1243 from Dallas/Fort Worth, TX to San Diego, CA arrived 15 or more minutes late, was diverted or was cancelled on 50% of 182 scheduled flights between September 2025 and August 2026. 3.9% 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.