About 1 in 3 AA 6421 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (30%); 2.2% were cancelled. The typical flight landed 5 minutes early.
AA 6421: DFW → PVU
Scheduled to leave Dallas at 7:45 p.m. local time, operated by SkyWest as OO 6421. Over the past year it arrived on time 70% of the time (225 flights), in line with other AA flights on the route at that hour (68%). Last seen in the data Aug 31, 2026.
Usually American Airlines's last flight of the day from Dallas to Provo (100% of days). American Airlines's last DFW–PVU flight was cancelled 2.2% of the time, against 1.1% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 11:06 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 33 | 67% |
| Tuesday | 32 | 88% |
| Wednesday | 33 | 73% |
| Thursday | 31 | 74% |
| Friday | 32 | 56% |
| Saturday | 32 | 75% |
| Sunday | 32 | 56% |
Why it was late
All flights DFW → PVU · Connecting off AA 6421? Check the risk
Questions
How often is AA 6421 from DFW to PVU late?
American Airlines 6421 from Dallas/Fort Worth, TX to Provo, UT arrived 15 or more minutes late, was diverted or was cancelled on 30% of 225 scheduled flights between September 2025 and August 2026. 2.2% 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.