Delta Air Lines flight DL 2451: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:30 Atlanta (ATL) S 13:49 Louisville (SDF)
DL 2451 Non-stop Boeing 737-900 (739) 1:19 Effective 2025-07-07 through 2025-09-07
Tue 13:00 Atlanta (ATL) S 14:22 Louisville (SDF)
DL 2451 Non-stop Boeing 717 (717) 1:22 Operates only on 2025-07-01
Mon-Fri,Sun 13:02 Atlanta (ATL) S 14:19 Louisville (SDF)
DL 2451 Non-stop Boeing 737-900 (739) 1:17 Effective 2025-06-08 through 2025-06-30
Wed-Fri,Sun 13:02 Atlanta (ATL) S 14:19 Louisville (SDF)
DL 2451 Non-stop Boeing 737-900 (739) 1:17 Effective 2025-07-02 through 2025-07-06
Sat 13:13 Atlanta (ATL) S 14:35 Louisville (SDF)
DL 2451 Non-stop Boeing 717 (717) 1:22 Effective 2025-06-14 through 2025-07-05
Daily 14:59 Louisville (SDF) 16:27 Atlanta (ATL) S
DL 2451 Non-stop Boeing 737-900 (739) 1:28 Effective 2025-07-07 through 2025-09-07
Sat 15:20 Louisville (SDF) 16:55 Atlanta (ATL) S
DL 2451 Non-stop Boeing 717 (717) 1:35 Effective 2025-06-14 through 2025-07-05
Tue 15:23 Louisville (SDF) 16:58 Atlanta (ATL) S
DL 2451 Non-stop Boeing 717 (717) 1:35 Operates only on 2025-07-01
Mon-Fri,Sun 15:24 Louisville (SDF) 16:54 Atlanta (ATL) S
DL 2451 Non-stop Boeing 737-900 (739) 1:30 Effective 2025-06-08 through 2025-06-30
Wed-Fri,Sun 15:24 Louisville (SDF) 16:54 Atlanta (ATL) S
DL 2451 Non-stop Boeing 737-900 (739) 1:30 Effective 2025-07-02 through 2025-07-06
Sun 19:15 Atlanta (ATL) S 20:02 Chattanooga (CHA)
DL 2451 Non-stop Boeing 717 (717) 0:47 Operates only on 2025-05-25
Mon-Fri,Sun 20:45 Detroit (DTW) M 22:23 Greenville/Spartanburg (GSP)
DL 2451 Non-stop Airbus A320 (320) 1:38 Valid until 2025-05-05
Wed-Fri,Sun 20:59 Atlanta (ATL) S 21:46 Chattanooga (CHA)
DL 2451 Non-stop Boeing 717 (717) 0:47 Effective 2025-05-07 through 2025-05-15
Wed,Thu,Sun 20:59 Atlanta (ATL) S 21:46 Chattanooga (CHA)
DL 2451 Non-stop Boeing 717 (717) 0:47 Effective 2025-05-18 through 2025-05-22
Wed-Fri,Sun 20:59 Atlanta (ATL) S 21:46 Chattanooga (CHA)
DL 2451 Non-stop Boeing 717 (717) 0:47 Effective 2025-05-28 through 2025-06-04
Daily 21:35 Detroit (DTW) M 22:29 Grand Rapids (GRR)
DL 2451 Non-stop Boeing 737-900 (739) 0:54 Effective 2025-12-20 through 2026-01-05
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 2451: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL2451
12:30
Atlanta (ATL) S

13:49
Louisville (SDF)
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Boeing 737-900 (739)
Delta Air Lines DL2451
13:00
Atlanta (ATL) S

14:22
Louisville (SDF)
Operates only on 2025-07-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:22, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
13:02
Atlanta (ATL) S

14:19
Louisville (SDF)
Effective 2025-06-08 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:17, non-stop
Boeing 737-900 (739)
Delta Air Lines DL2451
13:02
Atlanta (ATL) S

14:19
Louisville (SDF)
Effective 2025-07-02 through 2025-07-06
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:17, non-stop
Boeing 737-900 (739)
Delta Air Lines DL2451
13:13
Atlanta (ATL) S

14:35
Louisville (SDF)
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:22, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
14:59
Louisville (SDF)

16:27
Atlanta (ATL) S
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:28, non-stop
Boeing 737-900 (739)
Delta Air Lines DL2451
15:20
Louisville (SDF)

16:55
Atlanta (ATL) S
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
15:23
Louisville (SDF)

16:58
Atlanta (ATL) S
Operates only on 2025-07-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
15:24
Louisville (SDF)

16:54
Atlanta (ATL) S
Effective 2025-06-08 through 2025-06-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-900 (739)
Delta Air Lines DL2451
15:24
Louisville (SDF)

16:54
Atlanta (ATL) S
Effective 2025-07-02 through 2025-07-06
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-900 (739)
Delta Air Lines DL2451
19:15
Atlanta (ATL) S

20:02
Chattanooga (CHA)
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 0:47, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
20:45
Detroit (DTW) M

22:23
Greenville/Spartanburg (GSP)
Valid until 2025-05-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:38, non-stop
Airbus A320 (320)
Delta Air Lines DL2451
20:59
Atlanta (ATL) S

21:46
Chattanooga (CHA)
Effective 2025-05-07 through 2025-05-15
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 0:47, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
20:59
Atlanta (ATL) S

21:46
Chattanooga (CHA)
Effective 2025-05-18 through 2025-05-22
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 0:47, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
20:59
Atlanta (ATL) S

21:46
Chattanooga (CHA)
Effective 2025-05-28 through 2025-06-04
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 0:47, non-stop
Boeing 717 (717)
Delta Air Lines DL2451
21:35
Detroit (DTW) M

22:29
Grand Rapids (GRR)
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:54, non-stop
Boeing 737-900 (739)
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Chattanooga (CHA)
  • Atlanta (ATL) - Louisville (SDF)
  • Detroit (DTW) - Grand Rapids (GRR)
  • Detroit (DTW) - Greenville/Spartanburg (GSP)
All Delta Air Lines flights
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