American Airlines flight AA 4121: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:19 Green Bay (GRB) 07:28 Chicago O'Hare (ORD) 3
AA 4121 Non-stop Embraer EMB 175 (E75) 1:09 Effective 2025-09-03 through 2025-10-05
Daily 06:19 Green Bay (GRB) 07:30 Chicago O'Hare (ORD) 3
AA 4121 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:11 Effective 2025-10-06 through 2025-11-01
Daily 12:15 Phoenix Sky Harbor (PHX) 4 13:06 Tucson (TUS)
AA 4121 Non-stop Embraer EMB 175 (E75) 0:51 Effective 2025-08-06 through 2025-09-02
Daily 18:27 Little Rock (LIT) 21:35 Charlotte (CLT)
AA 4121 Non-stop Embraer EMB 175 (E75) 2:08 Effective 2025-06-05 through 2025-07-03
Daily 18:38 Little Rock (LIT) 21:50 Charlotte (CLT)
AA 4121 Non-stop Embraer EMB 175 (E75) 2:12 Effective 2025-07-05 through 2025-08-05
Sat 19:30 Miami (MIA) 22:24 Lexington (LEX)
AA 4121 Non-stop Embraer EMB 170 / EMB 175 (E70) 2:54 Effective from 2025-12-20
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4121: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4121
06:19
Green Bay (GRB)

07:28
Chicago O'Hare (ORD) 3
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
06:19
Green Bay (GRB)

07:30
Chicago O'Hare (ORD) 3
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA4121
12:15
Phoenix Sky Harbor (PHX) 4

13:06
Tucson (TUS)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:51, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
18:27
Little Rock (LIT)

21:35
Charlotte (CLT)
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
18:38
Little Rock (LIT)

21:50
Charlotte (CLT)
Effective 2025-07-05 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Embraer EMB 175 (E75)
American Airlines AA4121
19:30
Miami (MIA)

22:24
Lexington (LEX)
Effective from 2025-12-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:54, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Green Bay (GRB) - Chicago O'Hare (ORD)
  • Little Rock (LIT) - Charlotte (CLT)
  • Miami (MIA) - Lexington (LEX)
  • Phoenix Sky Harbor (PHX) - Tucson (TUS)
All American Airlines flights
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