Air Canada
flight
AC 3999:
Chicago O'Hare - San Antonio
Chicago O'Hare - San Antonio
FLIGHT SCHEDULE
Direct Codeshare Flights:
Air Canada AC3999
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 2479)
Duration: 2:53, non-stop Airbus A319 (319)
Direct Codeshare Flights:
Air Canada AC3999
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Codeshare flight, operated by United Airlines.
(UA 5361)
Duration: 3:24, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3999
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 1672)
Duration: 3:08, non-stop Boeing 737-700 (73G)
Direct Codeshare Flights:
Air Canada AC3999
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5535)
Duration: 3:24, non-stop Embraer EMB 175 (E7W)
Direct Codeshare Flights:
Air Canada AC3999
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines.
(UA 5535)
Duration: 3:19, non-stop Embraer EMB 175 (E7W)
- AC 3999 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at San Antonio airport (SAT).
- The flight distance is 1041 miles, or 1676 km.
- The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
- For direct flights, the flight time varies between 2:53 and 3:24.