ON TIMEBOARD

AA 4818 on time

American Airlines 4818: St. George to Dallas at 11:00 a.m. (past 12 months)

On time
67%
349 flights · likely 62–72%
Cancelled
0.3%
of scheduled flights
Typical arrival
−3 min
median vs schedule
When late
+90 min
average delay
Similar flights
71%
AA, same route & hour

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

10%55%100%Sep 2025: 87% on time (30 flights)87SepOct 2025: 74% on time (31 flights)74OctNov 2025: 76% on time (29 flights)76NovDec 2025: 68% on time (31 flights)68DecJan 2026: 65% on time (31 flights)65JanFeb 2026: 64% on time (28 flights)64FebMar 2026: 77% on time (31 flights)77MarApr 2026: 70% on time (27 flights)70AprMay 2026: 71% on time (28 flights)71MayJun 2026: 23% on time (30 flights)23JunJul 2026: 63% on time (27 flights)63JulAug 2026: 69% on time (26 flights)69Aug

By day of week

DayFlightsOn time
Monday5362%
Tuesday5169%
Wednesday5173%
Thursday5062%
Friday5180%
Saturday4159%
Sunday5265%

Why it was late

Airline (crew, maintenance, ops) 61%Late inbound plane 22%Air traffic & airport (NAS) 11%Severe weather 6%

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.