American Airlines flight AA 3421: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 05:51 Wausau (CWA) 07:30 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:39 Effective 2025-11-02 through 2025-12-02
Mon,Thu-Sun 05:54 Champaign/Urbana (CMI) 06:59 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:05 Effective 2025-06-06 through 2025-07-03
Wed 05:55 Champaign/Urbana (CMI) 07:00 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:05 Effective 2025-06-11 through 2025-07-02
Thu 05:58 Champaign/Urbana (CMI) 07:03 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:05 Operates only on 2025-06-05
Mon,Wed-Sun 06:00 Champaign/Urbana (CMI) 07:07 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:07 Valid until 2025-05-04
Sat 06:00 Champaign/Urbana (CMI) 07:04 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:04 Effective 2025-05-10 through 2025-05-31
Mon,Wed-Sat 06:00 Champaign/Urbana (CMI) 07:08 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:08 Effective 2025-07-05 through 2025-08-09
Daily 06:00 Champaign/Urbana (CMI) 07:08 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:08 Effective 2025-08-10 through 2025-09-02
Mon,Wed-Fri,Sun 06:01 Champaign/Urbana (CMI) 07:08 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:07 Effective 2025-05-05 through 2025-05-23
Mon,Wed-Fri,Sun 06:01 Champaign/Urbana (CMI) 07:08 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:07 Effective 2025-05-26 through 2025-06-04
Sun 06:11 Champaign/Urbana (CMI) 07:19 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:08 Effective 2025-07-06 through 2025-08-03
Fri 06:20 Champaign/Urbana (CMI) 07:25 Chicago O'Hare (ORD) 3
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:05 Operates only on 2025-07-04
Daily 09:40 Chicago O'Hare (ORD) 3 11:46 Lansing (LAN)
AA 3421 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:06 Effective 2025-12-03 through 2025-12-17
Daily 09:58 McAllen/Mission (MFE) 11:39 Dallas Fort Worth (DFW)
AA 3421 Non-stop Embraer EMB 175 (E75) 1:41 Effective 2025-10-26 through 2025-11-01
Daily 21:30 Miami (MIA) 23:22 Savannah (SAV)
AA 3421 Non-stop Embraer EMB 175 (E75) 1:52 Effective 2025-12-18 through 2026-01-05
Daily 21:30 Miami (MIA) 23:13 Savannah (SAV)
AA 3421 Non-stop Embraer EMB 175 (E75) 1:43 Effective 2026-01-06 through 2026-02-11
Daily 21:30 Miami (MIA) 23:24 Savannah (SAV)
AA 3421 Non-stop Embraer EMB 175 (E75) 1:54 Effective from 2026-02-12
Daily 21:45 Phoenix Sky Harbor (PHX) 4 22:42 Yuma (YUM)
AA 3421 Non-stop Embraer EMB 175 (E75) 0:57 Effective 2025-09-03 through 2025-10-05
Daily 21:45 Phoenix Sky Harbor (PHX) 4 22:48 Yuma (YUM)
AA 3421 Non-stop Embraer EMB 175 (E75) 1:03 Effective 2025-10-06 through 2025-10-25
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3421
05:51
Wausau (CWA)

07:30
Chicago O'Hare (ORD) 3
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
05:54
Champaign/Urbana (CMI)

06:59
Chicago O'Hare (ORD) 3
Effective 2025-06-06 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
05:55
Champaign/Urbana (CMI)

07:00
Chicago O'Hare (ORD) 3
Effective 2025-06-11 through 2025-07-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
05:58
Champaign/Urbana (CMI)

07:03
Chicago O'Hare (ORD) 3
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:00
Champaign/Urbana (CMI)

07:07
Chicago O'Hare (ORD) 3
Valid until 2025-05-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:07, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:00
Champaign/Urbana (CMI)

07:04
Chicago O'Hare (ORD) 3
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:00
Champaign/Urbana (CMI)

07:08
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-09
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:08, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:00
Champaign/Urbana (CMI)

07:08
Chicago O'Hare (ORD) 3
Effective 2025-08-10 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:01
Champaign/Urbana (CMI)

07:08
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-23
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:07, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:01
Champaign/Urbana (CMI)

07:08
Chicago O'Hare (ORD) 3
Effective 2025-05-26 through 2025-06-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:07, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:11
Champaign/Urbana (CMI)

07:19
Chicago O'Hare (ORD) 3
Effective 2025-07-06 through 2025-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:08, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
06:20
Champaign/Urbana (CMI)

07:25
Chicago O'Hare (ORD) 3
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:05, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
09:40
Chicago O'Hare (ORD) 3

11:46
Lansing (LAN)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3421
09:58
McAllen/Mission (MFE)

11:39
Dallas Fort Worth (DFW)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer EMB 175 (E75)
American Airlines AA3421
21:30
Miami (MIA)

23:22
Savannah (SAV)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Embraer EMB 175 (E75)
American Airlines AA3421
21:30
Miami (MIA)

23:13
Savannah (SAV)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E75)
American Airlines AA3421
21:30
Miami (MIA)

23:24
Savannah (SAV)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E75)
American Airlines AA3421
21:45
Phoenix Sky Harbor (PHX) 4

22:42
Yuma (YUM)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:57, non-stop
Embraer EMB 175 (E75)
American Airlines AA3421
21:45
Phoenix Sky Harbor (PHX) 4

22:48
Yuma (YUM)
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:03, non-stop
Embraer EMB 175 (E75)
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This flight number is listed as serving the following routes:
  • Champaign/Urbana (CMI) - Chicago O'Hare (ORD)
  • Chicago O'Hare (ORD) - Lansing (LAN)
  • McAllen/Mission (MFE) - Dallas Fort Worth (DFW)
  • Miami (MIA) - Savannah (SAV)
  • Phoenix Sky Harbor (PHX) - Yuma (YUM)
  • Wausau (CWA) - Chicago O'Hare (ORD)
All American Airlines flights
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