ON TIMEBOARD

AA 4812 on time

American Airlines 4812: St. George to Phoenix at 12:15 p.m. (past 12 months)

On time
78%
295 flights · likely 73–82%
Cancelled
0.0%
of scheduled flights
Typical arrival
−5 min
median vs schedule
When late
+85 min
average delay
Similar flights
81%
AA, same route & hour

About 1 in 4 AA 4812 flights from St. George arrived 15+ minutes late, diverted or cancelled over the past year (22%); 0.0% were cancelled. The typical flight landed 5 minutes early.

AA 4812: SGU → PHX

Scheduled to leave St. George at 12:15 p.m. local time, operated by SkyWest as OO 4812. Over the past year it arrived on time 78% of the time (295 flights), worse than other AA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jun 2025: too few flights (4 flights)JunOct 2025: too few flights (6 flights)OctNov 2025: 81% on time (21 flights)81NovDec 2025: 90% on time (31 flights)90DecJan 2026: 58% on time (31 flights)58JanFeb 2026: 82% on time (28 flights)82FebMar 2026: 90% on time (31 flights)90MarApr 2026: 80% on time (30 flights)80AprMay 2026: 71% on time (31 flights)71MayJun 2026: 70% on time (30 flights)70JunJul 2026: 81% on time (26 flights)81JulAug 2026: 73% on time (30 flights)73Aug

By day of week

DayFlightsOn time
Monday4678%
Tuesday4180%
Wednesday4085%
Thursday4274%
Friday4274%
Saturday4083%
Sunday4470%

Why it was late

Airline (crew, maintenance, ops) 56%Severe weather 18%Air traffic & airport (NAS) 14%Late inbound plane 12%

All flights SGU → PHX · Connecting off AA 4812? Check the risk

Questions

How often is AA 4812 from SGU to PHX late?

American Airlines 4812 from St. George, UT to Phoenix, AZ arrived 15 or more minutes late, was diverted or was cancelled on 22% of 295 scheduled flights between September 2025 and August 2026. 0.0% 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.