About 1 in 3 AA 4818 flights from St. George arrived 15+ minutes late, diverted or cancelled over the past year (33%); 0.3% were cancelled. The typical flight landed 3 minutes early.
AA 4818: SGU → DFW
Scheduled to leave St. George at 11:00 a.m. local time, operated by SkyWest as OO 4818. Over the past year it arrived on time 67% of the time (349 flights), worse than other AA flights on the route at that hour (71%). Last seen in the data Aug 31, 2026.
Usually American Airlines's last flight of the day from St. George to Dallas (97% of days). American Airlines's last SGU–DFW flight was cancelled 0.3% of the time, against 0.6% for its earlier ones. If it's cancelled, the next American Airlines flight is usually around 5:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 62% |
| Tuesday | 51 | 69% |
| Wednesday | 51 | 73% |
| Thursday | 50 | 62% |
| Friday | 51 | 80% |
| Saturday | 41 | 59% |
| Sunday | 52 | 65% |
Why it was late
All flights SGU → DFW · Connecting off AA 4818? Check the risk
Questions
How often is AA 4818 from SGU to DFW late?
American Airlines 4818 from St. George, UT to Dallas/Fort Worth, TX arrived 15 or more minutes late, was diverted or was cancelled on 33% of 349 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.