Live tracking not available yet
AC3999 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
ORD
Chicago O'Hare International Airport
Chicago
T2 Gate F20 Scheduled 1:19 PM
Actual 1:19 PM
SAT
San Antonio International Airport
San Antonio
TB Gate B3 Scheduled 4:43 PM
Actual 4:43 PM
Baggage claim 3
3h 24m flight time
Daily
Operated by SkyWest Airlines
Recent Flights
No flight history yet
History builds as this flight gets tracked
Schedule
Operates
Daily
Departure
1:19 PM
Arrival
4:43 PM
Duration
3h 24m
Aircraft
Embraer E175
Terminal
T2
TB
Gate
F20
B3
Actual
13:19
16:43
Baggage
Carousel 3
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Thu, Mar 19
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Schedule valid
Mar 02 —
Jun 03, 2026