Delta Air Lines flight DL 4321: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Wed,Fri-Sun 13:26 Salt Lake City (SLC) 14:39 Saint George (SGU)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:13 Valid until 2026-01-04
Daily 13:30 Salt Lake City (SLC) 14:41 Saint George (SGU)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:11 Effective 2026-01-05 through 2026-02-11
Daily 13:30 Salt Lake City (SLC) 14:39 Saint George (SGU)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:09 Effective 2026-02-12 through 2026-04-12
Daily 13:30 Salt Lake City (SLC) 14:40 Saint George (SGU)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:10 Effective 2026-04-13 through 2026-05-22
Daily 13:30 Salt Lake City (SLC) 14:40 Saint George (SGU)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:10 Effective 2026-05-25 through 2026-07-03
Daily 13:30 Salt Lake City (SLC) 14:40 Saint George (SGU)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:10 Effective from 2026-07-05
Thu 13:40 Salt Lake City (SLC) 14:53 Saint George (SGU)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:13 Operates only on 2026-01-01
Mon,Tue,Fri-Sun 15:14 Saint George (SGU) 16:31 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:17 Valid until 2026-01-04
Daily 15:20 Saint George (SGU) 16:37 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:17 Effective 2026-01-05 through 2026-02-11
Daily 15:20 Saint George (SGU) 16:35 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:15 Effective 2026-02-12 through 2026-03-07
Daily 15:20 Saint George (SGU) 16:34 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:14 Effective 2026-03-08 through 2026-04-12
Daily 15:20 Saint George (SGU) 16:30 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:10 Effective 2026-04-13 through 2026-05-22
Daily 15:20 Saint George (SGU) 16:30 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:10 Effective 2026-05-25 through 2026-07-03
Daily 15:20 Saint George (SGU) 16:30 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:10 Effective from 2026-07-05
Thu 15:30 Saint George (SGU) 16:40 Salt Lake City (SLC)
DL 4321 Non-stop Canadair CRJ 550 (CR5) 1:10 Operates only on 2026-01-01
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 4321: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL4321
13:26
Salt Lake City (SLC)

14:39
Saint George (SGU)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:13, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
13:30
Salt Lake City (SLC)

14:41
Saint George (SGU)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
13:30
Salt Lake City (SLC)

14:39
Saint George (SGU)
Effective 2026-02-12 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
13:30
Salt Lake City (SLC)

14:40
Saint George (SGU)
Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
13:30
Salt Lake City (SLC)

14:40
Saint George (SGU)
Effective 2026-05-25 through 2026-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
13:30
Salt Lake City (SLC)

14:40
Saint George (SGU)
Effective from 2026-07-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
13:40
Salt Lake City (SLC)

14:53
Saint George (SGU)
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:13, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:14
Saint George (SGU)

16:31
Salt Lake City (SLC)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 1:17, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:20
Saint George (SGU)

16:37
Salt Lake City (SLC)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:20
Saint George (SGU)

16:35
Salt Lake City (SLC)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:15, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:20
Saint George (SGU)

16:34
Salt Lake City (SLC)
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:14, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:20
Saint George (SGU)

16:30
Salt Lake City (SLC)
Effective 2026-04-13 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:20
Saint George (SGU)

16:30
Salt Lake City (SLC)
Effective 2026-05-25 through 2026-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:20
Saint George (SGU)

16:30
Salt Lake City (SLC)
Effective from 2026-07-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
Delta Air Lines DL4321
15:30
Saint George (SGU)

16:40
Salt Lake City (SLC)
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Saint George (SGU) - Salt Lake City (SLC)
All Delta Air Lines flights
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