American Airlines flight AA 431: Chicago O'Hare - San Antonio

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FLIGHT SCHEDULE
Direct Flights:
Daily 20:25 Chicago O'Hare (ORD) 3 23:29 San Antonio (SAT)
AA 431 Non-stop Boeing 737-800 (738) 3:04 Effective 2025-10-06 through 2025-10-25
Mon-Fri,Sun 20:41 Chicago O'Hare (ORD) 3 23:44 San Antonio (SAT)
AA 431 Non-stop Airbus A319 (319) 3:03 Effective 2025-06-05 through 2025-06-30
Thu 20:41 Chicago O'Hare (ORD) 3 23:44 San Antonio (SAT)
AA 431 Non-stop Airbus A319 (319) 3:03 Operates only on 2025-07-03
Mon-Fri,Sun 20:47 Chicago O'Hare (ORD) 3 23:50 San Antonio (SAT)
AA 431 Non-stop Boeing 737-800 (738) 3:03 Effective 2025-05-05 through 2025-06-04
Daily 20:52 Chicago O'Hare (ORD) 3 23:58 San Antonio (SAT)
AA 431 Non-stop Boeing 737-800 (738) 3:06 Valid until 2025-05-04
Mon-Fri,Sun 20:53 Chicago O'Hare (ORD) 3 23:57 San Antonio (SAT)
AA 431 Non-stop Airbus A319 (319) 3:04 Effective 2025-07-06 through 2025-08-08
Daily 20:53 Chicago O'Hare (ORD) 3 23:57 San Antonio (SAT)
AA 431 Non-stop Airbus A319 (319) 3:04 Effective 2025-08-09 through 2025-10-05
Sat 21:02 Chicago O'Hare (ORD) 3 23:59 San Antonio (SAT)
AA 431 Non-stop Airbus A319 (319) 2:57 Effective 2025-07-05 through 2025-08-02
Sat 21:15 Chicago O'Hare (ORD) 3 23:59 San Antonio (SAT)
AA 431 Non-stop Boeing 737-800 (738) 2:44 Effective 2025-06-07 through 2025-06-28
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American Airlines flight AA 431:
Chicago O'Hare - San Antonio
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA431
20:25
Chicago O'Hare (ORD) 3

23:29
San Antonio (SAT)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Boeing 737-800 (738)
American Airlines AA431
20:41
Chicago O'Hare (ORD) 3

23:44
San Antonio (SAT)
Effective 2025-06-05 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:03, non-stop
Airbus A319 (319)
American Airlines AA431
20:41
Chicago O'Hare (ORD) 3

23:44
San Antonio (SAT)
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:03, non-stop
Airbus A319 (319)
American Airlines AA431
20:47
Chicago O'Hare (ORD) 3

23:50
San Antonio (SAT)
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:03, non-stop
Boeing 737-800 (738)
American Airlines AA431
20:52
Chicago O'Hare (ORD) 3

23:58
San Antonio (SAT)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Boeing 737-800 (738)
American Airlines AA431
20:53
Chicago O'Hare (ORD) 3

23:57
San Antonio (SAT)
Effective 2025-07-06 through 2025-08-08
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:04, non-stop
Airbus A319 (319)
American Airlines AA431
20:53
Chicago O'Hare (ORD) 3

23:57
San Antonio (SAT)
Effective 2025-08-09 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Airbus A319 (319)
American Airlines AA431
21:02
Chicago O'Hare (ORD) 3

23:59
San Antonio (SAT)
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:57, non-stop
Airbus A319 (319)
American Airlines AA431
21:15
Chicago O'Hare (ORD) 3

23:59
San Antonio (SAT)
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:44, non-stop
Boeing 737-800 (738)
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  • AA 431 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 (plus 1h DST). Current time at both airports is 8:40am.
  • For direct flights, the flight time varies between 2:44 and 3:06.
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