American Airlines flight AA 3634: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Thu-Sun 06:00 Lansing (LAN) 06:20 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:20 Valid until 2026-01-05
Daily 07:00 Huntsville (HSV) 09:06 Dallas Fort Worth (DFW)
AA 3634 Non-stop Embraer EMB 175 (E75) 2:06 Effective 2026-08-05 through 2026-09-08
Daily 07:10 Huntsville (HSV) 09:19 Dallas Fort Worth (DFW)
AA 3634 Non-stop Embraer EMB 175 (E75) 2:09 Effective 2026-05-21 through 2026-08-04
Daily 09:12 El Paso (ELP) 09:39 Phoenix Sky Harbor (PHX) 4
AA 3634 Non-stop Embraer EMB 175 (E75) 1:27 Effective 2026-04-07 through 2026-05-20
Mon,Wed-Sun 09:44 Chicago O'Hare (ORD) 3 11:46 Kalamazoo/Battle Creek (AZO)
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:02 Effective 2026-03-08 through 2026-04-06
Tue 09:50 Chicago O'Hare (ORD) 3 11:52 Kalamazoo/Battle Creek (AZO)
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:02 Effective 2026-03-10 through 2026-03-31
Mon,Thu,Fri 10:00 Chicago O'Hare (ORD) 3 11:57 Kalamazoo/Battle Creek (AZO)
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:57 Effective 2026-02-12 through 2026-02-20
Mon,Thu-Sun 10:00 Chicago O'Hare (ORD) 3 11:57 Kalamazoo/Battle Creek (AZO)
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:57 Effective 2026-02-21 through 2026-03-07
Sun 11:40 Chicago O'Hare (ORD) 3 13:37 Kalamazoo/Battle Creek (AZO)
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:57 Operates only on 2026-02-15
Daily 11:40 Chicago O'Hare (ORD) 3 13:15 Omaha (OMA)
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:35 Effective from 2026-10-05
Mon,Wed-Sun 12:16 Kalamazoo/Battle Creek (AZO) 12:30 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Effective 2026-03-08 through 2026-04-06
Tue 12:22 Kalamazoo/Battle Creek (AZO) 12:36 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Effective 2026-03-10 through 2026-03-31
Tue,Wed 12:25 Chicago O'Hare (ORD) 3 14:22 Kalamazoo/Battle Creek (AZO)
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 0:57 Effective 2026-02-17 through 2026-03-04
Mon,Thu,Fri 12:28 Kalamazoo/Battle Creek (AZO) 12:42 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Effective 2026-02-12 through 2026-02-20
Mon,Thu,Fri,Sun 12:28 Kalamazoo/Battle Creek (AZO) 12:42 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Effective 2026-02-22 through 2026-03-06
Sat 12:31 Kalamazoo/Battle Creek (AZO) 12:45 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Effective 2026-02-21 through 2026-03-07
Sun 14:07 Kalamazoo/Battle Creek (AZO) 14:20 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:13 Operates only on 2026-02-15
Daily 14:25 Omaha (OMA) 16:10 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:45 Effective from 2026-10-05
Tue,Wed 14:57 Kalamazoo/Battle Creek (AZO) 15:11 Chicago O'Hare (ORD) 3
AA 3634 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:14 Effective 2026-02-17 through 2026-03-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 3634: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA3634
06:00
Lansing (LAN)

06:20
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 1:20, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
07:00
Huntsville (HSV)

09:06
Dallas Fort Worth (DFW)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:06, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3634
07:10
Huntsville (HSV)

09:19
Dallas Fort Worth (DFW)
Effective 2026-05-21 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3634
09:12
El Paso (ELP)

09:39
Phoenix Sky Harbor (PHX) 4
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA3634
09:44
Chicago O'Hare (ORD) 3

11:46
Kalamazoo/Battle Creek (AZO)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:02, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
09:50
Chicago O'Hare (ORD) 3

11:52
Kalamazoo/Battle Creek (AZO)
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:02, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
10:00
Chicago O'Hare (ORD) 3

11:57
Kalamazoo/Battle Creek (AZO)
Effective 2026-02-12 through 2026-02-20
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 0:57, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
10:00
Chicago O'Hare (ORD) 3

11:57
Kalamazoo/Battle Creek (AZO)
Effective 2026-02-21 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 0:57, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
11:40
Chicago O'Hare (ORD) 3

13:37
Kalamazoo/Battle Creek (AZO)
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:57, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
11:40
Chicago O'Hare (ORD) 3

13:15
Omaha (OMA)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
12:16
Kalamazoo/Battle Creek (AZO)

12:30
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
12:22
Kalamazoo/Battle Creek (AZO)

12:36
Chicago O'Hare (ORD) 3
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
12:25
Chicago O'Hare (ORD) 3

14:22
Kalamazoo/Battle Creek (AZO)
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 0:57, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
12:28
Kalamazoo/Battle Creek (AZO)

12:42
Chicago O'Hare (ORD) 3
Effective 2026-02-12 through 2026-02-20
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
12:28
Kalamazoo/Battle Creek (AZO)

12:42
Chicago O'Hare (ORD) 3
Effective 2026-02-22 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
12:31
Kalamazoo/Battle Creek (AZO)

12:45
Chicago O'Hare (ORD) 3
Effective 2026-02-21 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
14:07
Kalamazoo/Battle Creek (AZO)

14:20
Chicago O'Hare (ORD) 3
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:13, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
14:25
Omaha (OMA)

16:10
Chicago O'Hare (ORD) 3
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Flights:
American Airlines AA3634
14:57
Kalamazoo/Battle Creek (AZO)

15:11
Chicago O'Hare (ORD) 3
Effective 2026-02-17 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:14, non-stop
Embraer EMB 170 / EMB 175 (E70)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Kalamazoo/Battle Creek (AZO)
  • El Paso (ELP) - Phoenix Sky Harbor (PHX)
  • Huntsville (HSV) - Dallas Fort Worth (DFW)
  • Lansing (LAN) - Chicago O'Hare (ORD)
  • Omaha (OMA) - Chicago O'Hare (ORD)
All American Airlines flights
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