Live tracking not available yet
AC3731 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.
Flight Status
Scheduled
Route Info
SNA
John Wayne Orange County International Airport
Santa Ana
Scheduled 4:15 PM
DEN
Denver International Airport
Denver
Scheduled 7:34 PM
2h 19m flight time
Daily
Operated by United Airlines
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Wed, Mar 18
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Schedule valid
Mar 10 —
Jun 03, 2026