About 1 in 8 AA 3576 flights from Harlingen arrived 15+ minutes late, diverted or cancelled over the past year (12%); 2.8% were cancelled. The typical flight landed 12 minutes early.
AA 3576: HRL → DFW
Scheduled to leave Harlingen at 10:43 a.m. local time, operated by Envoy as MQ 3576. Over the past year it arrived on time 88% of the time (176 flights), in line with other AA flights on the route at that hour (88%). Last seen in the data Aug 4, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 24 | 88% |
| Tuesday | 24 | 88% |
| Wednesday | 23 | 91% |
| Thursday | 26 | 96% |
| Friday | 26 | 96% |
| Saturday | 27 | 81% |
| Sunday | 26 | 77% |
Why it was late
All flights HRL → DFW · Connecting off AA 3576? Check the risk
Questions
How often is AA 3576 from HRL to DFW late?
American Airlines 3576 from Harlingen/San Benito, TX to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 12% of 176 scheduled flights between September 2025 and August 2026. 2.8% 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.