American Airlines flight AA 6421: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:10 Dallas Fort Worth (DFW) E 08:36 Lubbock (LBB)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 1:26 Effective 2026-07-02 through 2026-08-04
Daily 09:17 Wichita (ICT) 10:43 Dallas Fort Worth (DFW) E
AA 6421 Non-stop Canadair CRJ 700 (CR7) 1:26 Effective 2026-04-07 through 2026-05-20
Sat 10:10 Dallas Fort Worth (DFW) E 12:40 Sioux Falls (FSD)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 2:30 Valid until 2026-01-03
Sat 13:10 Sioux Falls (FSD) 15:35 Dallas Fort Worth (DFW) E
AA 6421 Non-stop Canadair CRJ 700 (CR7) 2:25 Valid until 2026-01-03
Daily 19:00 Dallas Fort Worth (DFW) E 20:51 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 2:51 Effective 2026-09-09 through 2026-10-04
Daily 19:00 Dallas Fort Worth (DFW) E 20:52 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 2:52 Effective from 2026-10-05
Daily 19:08 Dallas Fort Worth (DFW) E 21:01 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 2:53 Effective 2026-08-05 through 2026-09-08
Daily 19:45 Dallas Fort Worth (DFW) E 21:51 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 3:06 Effective 2026-01-06 through 2026-02-11
Mon,Thu,Fri,Sun 20:55 Dallas Fort Worth (DFW) E 23:00 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 3:05 Effective 2026-02-12 through 2026-02-19
Thu,Fri,Sun 20:55 Dallas Fort Worth (DFW) E 23:00 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 3:05 Effective 2026-02-22 through 2026-03-06
Mon,Wed-Sun 20:55 Dallas Fort Worth (DFW) E 22:58 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 3:03 Effective 2026-03-08 through 2026-04-06
Tue,Wed,Fri,Sat 21:15 Dallas Fort Worth (DFW) E 23:18 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 3:03 Effective 2026-02-14 through 2026-02-21
Mon-Wed,Sat 21:15 Dallas Fort Worth (DFW) E 23:18 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 3:03 Effective 2026-02-23 through 2026-03-07
Tue 21:15 Dallas Fort Worth (DFW) E 23:18 Provo (PVU)
AA 6421 Non-stop Canadair CRJ 700 (CR7) 3:03 Effective 2026-03-10 through 2026-03-31
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This flight number is listed as serving the following routes:


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American Airlines flight AA 6421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
American Airlines AA6421
07:10
Dallas Fort Worth (DFW) E

08:36
Lubbock (LBB)
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
09:17
Wichita (ICT)

10:43
Dallas Fort Worth (DFW) E
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
10:10
Dallas Fort Worth (DFW) E

12:40
Sioux Falls (FSD)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
13:10
Sioux Falls (FSD)

15:35
Dallas Fort Worth (DFW) E
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:25, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
19:00
Dallas Fort Worth (DFW) E

20:51
Provo (PVU)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
19:00
Dallas Fort Worth (DFW) E

20:52
Provo (PVU)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
19:08
Dallas Fort Worth (DFW) E

21:01
Provo (PVU)
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
19:45
Dallas Fort Worth (DFW) E

21:51
Provo (PVU)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
20:55
Dallas Fort Worth (DFW) E

23:00
Provo (PVU)
Effective 2026-02-12 through 2026-02-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
20:55
Dallas Fort Worth (DFW) E

23:00
Provo (PVU)
Effective 2026-02-22 through 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:05, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
20:55
Dallas Fort Worth (DFW) E

22:58
Provo (PVU)
Effective 2026-03-08 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:03, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
21:15
Dallas Fort Worth (DFW) E

23:18
Provo (PVU)
Effective 2026-02-14 through 2026-02-21
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
-
Duration: 3:03, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
21:15
Dallas Fort Worth (DFW) E

23:18
Provo (PVU)
Effective 2026-02-23 through 2026-03-07
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:03, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
American Airlines AA6421
21:15
Dallas Fort Worth (DFW) E

23:18
Provo (PVU)
Effective 2026-03-10 through 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:03, non-stop
Canadair CRJ 700 (CR7)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Lubbock (LBB)
  • Dallas Fort Worth (DFW) - Provo (PVU)
  • Dallas Fort Worth (DFW) - Sioux Falls (FSD)
  • Wichita (ICT) - Dallas Fort Worth (DFW)
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