American Airlines flight AA 3623: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 06:00 Portland (PWM) 07:57 Chicago O'Hare (ORD) 3
AA 3623 Non-stop Embraer EMB 175 (E75) 2:57 Effective 2025-06-06 through 2025-06-30
Sat 06:00 Portland (PWM) 07:59 Chicago O'Hare (ORD) 3
AA 3623 Non-stop Embraer EMB 175 (E75) 2:59 Effective 2025-06-07 through 2025-06-28
Tue,Wed 06:00 Portland (PWM) 07:59 Chicago O'Hare (ORD) 3
AA 3623 Non-stop Embraer EMB 175 (E75) 2:59 Effective 2025-07-01 through 2025-07-02
Thu 06:00 Portland (PWM) 07:57 Chicago O'Hare (ORD) 3
AA 3623 Non-stop Embraer EMB 175 (E75) 2:57 Operates only on 2025-07-03
Fri 07:00 Portland (PWM) 08:57 Chicago O'Hare (ORD) 3
AA 3623 Non-stop Embraer EMB 175 (E75) 2:57 Operates only on 2025-07-04
Thu 08:23 George Bush, Houston (IAH) A 09:43 Dallas Fort Worth (DFW)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:20 Operates only on 2025-06-05
Daily 11:40 Chicago O'Hare (ORD) 3 12:44 Springfield (SPI)
AA 3623 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:04 Effective 2025-09-03 through 2025-10-05
Daily 12:00 Miami (MIA) 13:40 Nashville (BNA)
AA 3623 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2025-12-18 through 2026-01-05
Daily 12:00 Miami (MIA) 13:47 Tallahassee (TLH)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:47 Effective from 2026-02-12
Daily 12:36 Omaha (OMA) 14:20 Chicago O'Hare (ORD) 3
AA 3623 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:44 Effective 2025-10-06 through 2025-10-25
Daily 13:40 Miami (MIA) 15:09 Tallahassee (TLH)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:29 Effective 2025-10-26 through 2025-11-01
Daily 13:40 Miami (MIA) 15:08 Tallahassee (TLH)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2025-11-02 through 2025-12-02
Daily 13:40 Miami (MIA) 15:12 Tallahassee (TLH)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:32 Effective 2025-12-03 through 2025-12-17
Daily 13:40 Miami (MIA) 15:13 Tallahassee (TLH)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:33 Effective 2026-01-06 through 2026-02-11
Daily 13:44 Chicago O'Hare (ORD) 3 16:33 Harrisburg (MDT)
AA 3623 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:49 Effective 2025-05-05 through 2025-05-23
Daily 13:44 Chicago O'Hare (ORD) 3 16:33 Harrisburg (MDT)
AA 3623 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:49 Effective 2025-05-26 through 2025-06-04
Daily 15:24 Tallahassee (TLH) 16:50 Miami (MIA)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:26 Effective from 2026-02-12
Daily 15:30 Tallahassee (TLH) 16:50 Miami (MIA)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-11-02 through 2025-12-02
Daily 15:36 Miami (MIA) 17:37 Saint Louis (STL) 1
AA 3623 Non-stop Embraer EMB 175 (E75) 3:01 Valid until 2025-05-04
Daily 17:23 Tallahassee (TLH) 18:50 Miami (MIA)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2026-01-06 through 2026-02-11
Daily 17:24 Tallahassee (TLH) 18:50 Miami (MIA)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:26 Effective 2025-12-03 through 2025-12-17
Daily 17:30 Tallahassee (TLH) 18:50 Miami (MIA)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:20 Effective 2025-10-26 through 2025-11-01
Daily 18:09 Saint Louis (STL) 1 21:54 Miami (MIA)
AA 3623 Non-stop Embraer EMB 175 (E75) 2:45 Valid until 2025-05-04
Mon-Fri,Sun 21:16 Dallas Fort Worth (DFW) 22:58 Jackson (JAN)
AA 3623 Non-stop Embraer EMB 175 (E75) 1:42 Effective 2025-07-06 through 2025-08-05
Daily 22:00 Chicago O'Hare (ORD) 3 23:59 Kalamazoo/Battle Creek (AZO)
AA 3623 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:59 Effective 2025-08-06 through 2025-09-02
This flight number is listed as serving the following routes:


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American Airlines flight AA 3623: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3623
06:00
Portland (PWM)

07:57
Chicago O'Hare (ORD) 3
Effective 2025-06-06 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:57, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
06:00
Portland (PWM)

07:59
Chicago O'Hare (ORD) 3
Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:59, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
06:00
Portland (PWM)

07:59
Chicago O'Hare (ORD) 3
Effective 2025-07-01 through 2025-07-02
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:59, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
06:00
Portland (PWM)

07:57
Chicago O'Hare (ORD) 3
Operates only on 2025-07-03
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:57, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
07:00
Portland (PWM)

08:57
Chicago O'Hare (ORD) 3
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:57, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
08:23
George Bush, Houston (IAH) A

09:43
Dallas Fort Worth (DFW)
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
11:40
Chicago O'Hare (ORD) 3

12:44
Springfield (SPI)
Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:04, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3623
12:00
Miami (MIA)

13:40
Nashville (BNA)
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
12:00
Miami (MIA)

13:47
Tallahassee (TLH)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:47, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
12:36
Omaha (OMA)

14:20
Chicago O'Hare (ORD) 3
Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3623
13:40
Miami (MIA)

15:09
Tallahassee (TLH)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
13:40
Miami (MIA)

15:08
Tallahassee (TLH)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
13:40
Miami (MIA)

15:12
Tallahassee (TLH)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
13:40
Miami (MIA)

15:13
Tallahassee (TLH)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:33, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
13:44
Chicago O'Hare (ORD) 3

16:33
Harrisburg (MDT)
Effective 2025-05-05 through 2025-05-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3623
13:44
Chicago O'Hare (ORD) 3

16:33
Harrisburg (MDT)
Effective 2025-05-26 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Embraer EMB 170 / EMB 175 (E70)
American Airlines AA3623
15:24
Tallahassee (TLH)

16:50
Miami (MIA)
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
15:30
Tallahassee (TLH)

16:50
Miami (MIA)
Effective 2025-11-02 through 2025-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
15:36
Miami (MIA)

17:37
Saint Louis (STL) 1
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
17:23
Tallahassee (TLH)

18:50
Miami (MIA)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
17:24
Tallahassee (TLH)

18:50
Miami (MIA)
Effective 2025-12-03 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
17:30
Tallahassee (TLH)

18:50
Miami (MIA)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
18:09
Saint Louis (STL) 1

21:54
Miami (MIA)
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:45, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
21:16
Dallas Fort Worth (DFW)

22:58
Jackson (JAN)
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:42, non-stop
Embraer EMB 175 (E75)
American Airlines AA3623
22:00
Chicago O'Hare (ORD) 3

23:59
Kalamazoo/Battle Creek (AZO)
Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:59, non-stop
Embraer EMB 170 / EMB 175 (E70)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Harrisburg (MDT)
  • Chicago O'Hare (ORD) - Kalamazoo/Battle Creek (AZO)
  • Chicago O'Hare (ORD) - Springfield (SPI)
  • Dallas Fort Worth (DFW) - Jackson (JAN)
  • George Bush, Houston (IAH) - Dallas Fort Worth (DFW)
  • Miami (MIA) - Nashville (BNA)
  • Miami (MIA) - Saint Louis (STL)
  • Miami (MIA) - Tallahassee (TLH)
  • Omaha (OMA) - Chicago O'Hare (ORD)
  • Portland (PWM) - Chicago O'Hare (ORD)
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