About 1 in 4 AA 4819 flights from Dallas arrived 15+ minutes late, diverted or cancelled over the past year (27%); 0.3% were cancelled. The typical flight landed 7 minutes early.
AA 4819: DFW → SGU
Scheduled to leave Dallas at 8:20 a.m. local time, operated by SkyWest as OO 4819. Over the past year it arrived on time 73% of the time (339 flights), in line with other AA flights on the route at that hour (73%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 75% |
| Tuesday | 51 | 71% |
| Wednesday | 51 | 76% |
| Thursday | 50 | 68% |
| Friday | 51 | 80% |
| Saturday | 31 | 68% |
| Sunday | 52 | 71% |
Why it was late
All flights DFW → SGU · Connecting off AA 4819? Check the risk
Questions
How often is AA 4819 from DFW to SGU late?
American Airlines 4819 from Dallas/Fort Worth, TX to St. George, UT arrived 15 or more minutes late, was diverted or was cancelled on 27% of 339 scheduled flights between September 2025 and August 2026. 0.3% 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.