About 1 in 6 AA 479 flights from Boston arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.5% were cancelled. The typical flight landed 13 minutes early.
AA 479: BOS → DFW
Scheduled to leave Boston at 9:01 a.m. local time. Over the past year it arrived on time 82% of the time (209 flights), better than other AA flights on the route at that hour (79%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 90% |
| Tuesday | 30 | 83% |
| Wednesday | 30 | 87% |
| Thursday | 30 | 80% |
| Friday | 30 | 77% |
| Saturday | 30 | 80% |
| Sunday | 29 | 79% |
Why it was late
All flights BOS → DFW · Connecting off AA 479? Check the risk
Questions
How often is AA 479 from BOS to DFW late?
American Airlines 479 from Boston, MA to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 18% of 209 scheduled flights between September 2025 and August 2026. 0.5% 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.