Alaska Airlines flight AS 6421: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Wed,Fri-Sun 05:00 San Angelo (SJT) 06:10 Dallas Fort Worth (DFW) E
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:10 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 6384)
Mon,Thu,Fri 05:00 San Angelo (SJT) 06:10 Dallas Fort Worth (DFW) E
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:10 Effective 2026-01-08 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 6384)
Mon-Sat 05:00 San Angelo (SJT) 06:16 Dallas Fort Worth (DFW) E
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:16 Effective 2026-02-12 through 2026-02-21
Codeshare flight, operated by American Airlines.(AA 6384)
Daily 05:00 San Angelo (SJT) 06:16 Dallas Fort Worth (DFW) E
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:16 Effective 2026-02-22 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 6384)
Thu 06:00 San Angelo (SJT) 07:15 Dallas Fort Worth (DFW) E
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:15 Operates only on 2026-01-01
Codeshare flight, operated by American Airlines.(AA 6384)
Tue,Wed,Sat,Sun 06:00 San Angelo (SJT) 07:17 Dallas Fort Worth (DFW) E
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:17 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 6384)
Sun 06:00 San Angelo (SJT) 07:16 Dallas Fort Worth (DFW) E
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:16 Operates only on 2026-02-15
Codeshare flight, operated by American Airlines.(AA 6384)
Daily 15:15 Phoenix Sky Harbor (PHX) 4 17:28 Albuquerque (ABQ)
AS 6421 Non-stop Airbus A320 (320) 1:13 Effective 2026-05-21 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 1351)
Daily 16:35 Phoenix Sky Harbor (PHX) 4 17:35 Yuma (YUM)
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:00 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 6297)
Daily 16:35 Phoenix Sky Harbor (PHX) 4 17:32 Yuma (YUM)
AS 6421 Non-stop Embraer EMB 175 (E75) 0:57 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3617)
Daily 18:51 Yuma (YUM) 19:55 Phoenix Sky Harbor (PHX) 4
AS 6421 Non-stop Canadair CRJ 700 (CR7) 1:04 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 6297)
Daily 18:55 Yuma (YUM) 19:55 Phoenix Sky Harbor (PHX) 4
AS 6421 Non-stop Embraer EMB 175 (E75) 1:00 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3617)
Daily 19:34 Albuquerque (ABQ) 19:55 Phoenix Sky Harbor (PHX) 4
AS 6421 Non-stop Airbus A320 (320) 1:21 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 1351)
Daily 19:35 Albuquerque (ABQ) 19:55 Phoenix Sky Harbor (PHX) 4
AS 6421 Non-stop Airbus A320 (320) 1:20 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 1355)
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This flight number is listed as serving the following routes:


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Alaska Airlines flight AS 6421: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Alaska Airlines AS6421
05:00
San Angelo (SJT)

06:10
Dallas Fort Worth (DFW) E
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:10, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
05:00
San Angelo (SJT)

06:10
Dallas Fort Worth (DFW) E
Effective 2026-01-08 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:10, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
05:00
San Angelo (SJT)

06:16
Dallas Fort Worth (DFW) E
Effective 2026-02-12 through 2026-02-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:16, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
05:00
San Angelo (SJT)

06:16
Dallas Fort Worth (DFW) E
Effective 2026-02-22 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:16, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
06:00
San Angelo (SJT)

07:15
Dallas Fort Worth (DFW) E
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:15, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
06:00
San Angelo (SJT)

07:17
Dallas Fort Worth (DFW) E
Effective 2026-01-06 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:17, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
06:00
San Angelo (SJT)

07:16
Dallas Fort Worth (DFW) E
Operates only on 2026-02-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6384)
Duration: 1:16, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
15:15
Phoenix Sky Harbor (PHX) 4

17:28
Albuquerque (ABQ)
Effective 2026-05-21 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1351)
Duration: 1:13, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6421
16:35
Phoenix Sky Harbor (PHX) 4

17:35
Yuma (YUM)
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6297)
Duration: 1:00, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
16:35
Phoenix Sky Harbor (PHX) 4

17:32
Yuma (YUM)
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3617)
Duration: 0:57, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6421
18:51
Yuma (YUM)

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6297)
Duration: 1:04, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Alaska Airlines AS6421
18:55
Yuma (YUM)

19:55
Phoenix Sky Harbor (PHX) 4
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3617)
Duration: 1:00, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Alaska Airlines AS6421
19:34
Albuquerque (ABQ)

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1351)
Duration: 1:21, non-stop
Airbus A320 (320)
Direct Codeshare Flights:
Alaska Airlines AS6421
19:35
Albuquerque (ABQ)

19:55
Phoenix Sky Harbor (PHX) 4
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1355)
Duration: 1:20, non-stop
Airbus A320 (320)
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This flight number is listed as serving the following routes:
  • Albuquerque (ABQ) - Phoenix Sky Harbor (PHX)
  • San Angelo (SJT) - Dallas Fort Worth (DFW)
  • Yuma (YUM) - Phoenix Sky Harbor (PHX)
All Alaska Airlines flights
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