American Airlines flight AA 4991: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:30 Phoenix Sky Harbor (PHX) 4 13:34 Sioux Falls (FSD)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 3:04 Effective 2026-05-21 through 2026-07-01
Daily 08:30 Phoenix Sky Harbor (PHX) 4 13:31 Sioux Falls (FSD)
AA 4991 Non-stop Embraer EMB 175 (E75) 3:01 Effective 2026-09-09 through 2026-10-04
Daily 10:15 Chicago O'Hare (ORD) 3 12:18 Sioux Falls (FSD)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 2:03 Effective 2026-08-05 through 2026-09-08
Daily 12:48 Sioux Falls (FSD) 14:33 Chicago O'Hare (ORD) 3
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:45 Effective 2026-08-05 through 2026-09-08
Daily 13:10 Chicago O'Hare (ORD) 3 15:34 John Glenn Columbus (CMH)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:24 Effective 2026-04-07 through 2026-05-20
Daily 13:35 Phoenix Sky Harbor (PHX) 4 16:20 Salt Lake City (SLC)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:45 Effective from 2026-10-05
Daily 15:09 Sioux Falls (FSD) 16:10 Phoenix Sky Harbor (PHX) 4
AA 4991 Non-stop Embraer EMB 175 (E75) 3:01 Effective 2026-09-09 through 2026-10-04
Daily 15:11 Sioux Falls (FSD) 16:10 Phoenix Sky Harbor (PHX) 4
AA 4991 Non-stop Canadair CRJ 700 (CR7) 2:59 Effective 2026-05-21 through 2026-07-01
Daily 16:35 Phoenix Sky Harbor (PHX) 4 17:28 Flagstaff Pulliam, Grand Canyon (FLG)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 0:53 Effective 2026-07-02 through 2026-08-04
Daily 16:51 Phoenix Sky Harbor (PHX) 4 18:40 San Luis Obispo (SBP)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:49 Effective 2026-03-08 through 2026-04-06
Daily 16:59 Salt Lake City (SLC) 17:50 Phoenix Sky Harbor (PHX) 4
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:51 Effective from 2026-10-05
Daily 17:26 John Glenn Columbus (CMH) 18:00 Chicago O'Hare (ORD) 3
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:34 Effective 2026-04-07 through 2026-05-20
Daily 17:47 Phoenix Sky Harbor (PHX) 4 18:35 San Luis Obispo (SBP)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:48 Valid until 2026-01-05
Daily 17:50 Phoenix Sky Harbor (PHX) 4 18:39 San Luis Obispo (SBP)
AA 4991 Non-stop Canadair CRJ 700 (CR7) 1:49 Effective 2026-02-12 through 2026-03-07
Daily 18:57 Flagstaff Pulliam, Grand Canyon (FLG) 19:55 Phoenix Sky Harbor (PHX) 4
AA 4991 Non-stop Canadair CRJ 700 (CR7) 0:58 Effective 2026-07-02 through 2026-08-04
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This flight number is listed as serving the following routes:


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American Airlines flight AA 4991: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA4991
08:30
Phoenix Sky Harbor (PHX) 4

13:34
Sioux Falls (FSD)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
08:30
Phoenix Sky Harbor (PHX) 4

13:31
Sioux Falls (FSD)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4991
10:15
Chicago O'Hare (ORD) 3

12:18
Sioux Falls (FSD)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
12:48
Sioux Falls (FSD)

14:33
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
13:10
Chicago O'Hare (ORD) 3

15:34
John Glenn Columbus (CMH)
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:24, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
13:35
Phoenix Sky Harbor (PHX) 4

16:20
Salt Lake City (SLC)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:45, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
15:09
Sioux Falls (FSD)

16:10
Phoenix Sky Harbor (PHX) 4
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Embraer EMB 175 (E75)
Direct Flights:
American Airlines AA4991
15:11
Sioux Falls (FSD)

16:10
Phoenix Sky Harbor (PHX) 4
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
16:35
Phoenix Sky Harbor (PHX) 4

17:28
Flagstaff Pulliam, Grand Canyon (FLG)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:53, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
16:51
Phoenix Sky Harbor (PHX) 4

18:40
San Luis Obispo (SBP)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
16:59
Salt Lake City (SLC)

17:50
Phoenix Sky Harbor (PHX) 4
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
17:26
John Glenn Columbus (CMH)

18:00
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:34, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
17:47
Phoenix Sky Harbor (PHX) 4

18:35
San Luis Obispo (SBP)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
17:50
Phoenix Sky Harbor (PHX) 4

18:39
San Luis Obispo (SBP)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA4991
18:57
Flagstaff Pulliam, Grand Canyon (FLG)

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:58, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - John Glenn Columbus (CMH)
  • Chicago O'Hare (ORD) - Sioux Falls (FSD)
  • Flagstaff Pulliam, Grand Canyon (FLG) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Salt Lake City (SLC)
  • Phoenix Sky Harbor (PHX) - San Luis Obispo (SBP)
  • Phoenix Sky Harbor (PHX) - Sioux Falls (FSD)
All American Airlines flights
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