American Airlines
flight
AA 3421:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3421
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:07, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Operates only on 2026-01-06
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:30, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3421
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:55, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3421
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:50, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3421
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Effective 2026-02-12 through 2026-02-19
Mon
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:23, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Effective 2026-02-22 through 2026-03-06
Mon
-
-
Tue
-
-
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:23, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Valid until 2026-01-04
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:24, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3421
Operates only on 2026-01-05
Mon
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:31, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3421
Effective 2026-02-12 through 2026-02-19
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 AA3421
Effective 2026-02-22 through 2026-03-06
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 AA3421
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3421
Valid until 2026-01-04
Mon
Tue
Wed
-
-
Thu
Fri
Sat
-
-
Sun
Duration: 1:34, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3421
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:54, non-stop
Embraer EMB 175 (E75)
Embraer EMB 175 (E75)
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Parallax here
This flight number is listed as serving the following routes:
- Baton Rouge (BTR) - Dallas Fort Worth (DFW)
- Champaign/Urbana (CMI) - Chicago O'Hare (ORD)
- Corpus Christi (CRP) - Dallas Fort Worth (DFW)
- Key West (EYW) - Miami (MIA)
- Laredo (LRD) - Dallas Fort Worth (DFW)
- Phoenix Sky Harbor (PHX) - Yuma (YUM)