About 1 in 7 AA 345 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (14%); 1.0% were cancelled. The typical flight landed 14 minutes early.
AA 345: LAX → MIA
Scheduled to leave Los Angeles at 8:00 a.m. local time. Over the past year it arrived on time 86% of the time (208 flights), in line with other AA flights on the route at that hour (85%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 97% |
| Tuesday | 30 | 80% |
| Wednesday | 29 | 86% |
| Thursday | 30 | 87% |
| Friday | 30 | 90% |
| Saturday | 30 | 77% |
| Sunday | 29 | 83% |
Why it was late
All flights LAX → MIA · Connecting off AA 345? Check the risk
Questions
How often is AA 345 from LAX to MIA late?
American Airlines 345 from Los Angeles, CA to Miami, FL arrived 15 or more minutes late, was diverted or was cancelled on 14% of 208 scheduled flights between September 2025 and August 2026. 1.0% 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.