American Airlines
flight
AA 3521:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3521
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:44, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3521
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3521
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3521
Operates only on 2026-04-30
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
-
-
Sat
-
-
Sun
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-
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3521
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Operates only on 2026-05-03
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:55, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3521
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3521
Operates only on 2026-02-15
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 1:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective 2026-02-17 through 2026-03-04
Mon
-
-
Tue
Wed
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Operates only on 2026-02-14
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective 2026-02-12 through 2026-02-20
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
-
-
Duration: 1:18, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective 2026-02-22 through 2026-03-06
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:18, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective 2026-02-21 through 2026-03-07
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
Sun
-
-
Duration: 1:18, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3521
Effective 2026-03-09 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 1:05, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
This flight number is listed as serving the following routes:
- Bismarck (BIS) - Dallas Fort Worth (DFW)
- Bloomington/Normal (BMI) - Chicago O'Hare (ORD)
- Brownsville (BRO) - Dallas Fort Worth (DFW)
- Chicago O'Hare (ORD) - Appleton (ATW)
- Chicago O'Hare (ORD) - Evansville (EVV)
- Dallas Fort Worth (DFW) - Lafayette (LFT)
- Louisville (SDF) - Jacksonville (JAX)