About 5 in 10 AA 577 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (51%); 3.7% were cancelled. The typical flight landed 13 minutes late.
AA 577: DFW → DEN
Scheduled to leave Dallas at 9:26 p.m. local time. Over the past year it arrived on time 49% of the time (321 flights), better than other AA flights on the route at that hour (43%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 50 | 50% |
| Tuesday | 42 | 48% |
| Wednesday | 40 | 63% |
| Thursday | 47 | 47% |
| Friday | 47 | 49% |
| Saturday | 46 | 57% |
| Sunday | 49 | 35% |
Why it was late
All flights DFW → DEN · Connecting off AA 577? Check the risk
Questions
How often is AA 577 from DFW to DEN late?
American Airlines 577 from Dallas/Fort Worth, TX to Denver, CO arrived 15 or more minutes late, was diverted or was cancelled on 51% of 321 scheduled flights between September 2025 and August 2026. 3.7% 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.