About 1 in 18 AA 4257 flights from Amarillo arrived 15+ minutes late, diverted or cancelled over the past year (6%); 0.8% were cancelled. The typical flight landed 11 minutes early.
AA 4257: AMA → DFW
Scheduled to leave Amarillo at 5:00 a.m. local time, operated by Envoy as MQ 4257. Over the past year it arrived on time 94% of the time (126 flights), in line with other AA flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 18 | — |
| Tuesday | 17 | — |
| Wednesday | 19 | — |
| Thursday | 19 | — |
| Friday | 18 | — |
| Saturday | 18 | — |
| Sunday | 17 | — |
Why it was late
All flights AMA → DFW · Connecting off AA 4257? Check the risk
Questions
How often is AA 4257 from AMA to DFW late?
American Airlines 4257 from Amarillo, TX to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 6% of 126 scheduled flights between September 2025 and August 2026. 0.8% 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.