Delta Air Lines flight DL 4644: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Sat 11:17 Atlanta (ATL) S 12:26 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:09 Effective 2026-01-19 through 2026-01-31
Sun 11:32 Atlanta (ATL) S 12:39 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:07 Operates only on 2026-01-25
Sun 11:32 Atlanta (ATL) S 12:39 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:07 Operates only on 2026-02-08
Daily 11:50 Atlanta (ATL) S 12:54 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 700 (CR7) 1:04 Effective 2026-03-08 through 2026-04-12
Mon,Tue,Thu,Fri,Sun 11:55 Atlanta (ATL) S 13:02 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:07 Effective 2026-01-06 through 2026-01-13
Wed-Fri 11:55 Atlanta (ATL) S 13:02 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:07 Effective 2026-01-14 through 2026-01-16
Wed 11:57 Atlanta (ATL) S 13:04 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:07 Operates only on 2026-01-07
Mon-Sat 13:06 Bristol/Johnson/Kingsport (TRI) 14:20 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:14 Effective 2026-01-19 through 2026-01-31
Mon 13:15 Atlanta (ATL) S 14:21 Bristol/Johnson/Kingsport (TRI) DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:06 Operates only on 2026-01-05
Sun 13:19 Bristol/Johnson/Kingsport (TRI) 14:33 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:14 Operates only on 2026-01-25
Sun 13:19 Bristol/Johnson/Kingsport (TRI) 14:33 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:14 Operates only on 2026-02-08
Daily 13:34 Bristol/Johnson/Kingsport (TRI) 14:44 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 700 (CR7) 1:10 Effective 2026-03-08 through 2026-04-12
Wed 13:44 Bristol/Johnson/Kingsport (TRI) 14:58 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:14 Operates only on 2026-01-07
Mon,Tue,Thu,Fri,Sun 13:45 Bristol/Johnson/Kingsport (TRI) 14:59 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:14 Effective 2026-01-06 through 2026-01-13
Wed-Fri 13:45 Bristol/Johnson/Kingsport (TRI) 14:59 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:14 Effective 2026-01-14 through 2026-01-16
Mon 15:01 Bristol/Johnson/Kingsport (TRI) 16:15 Atlanta (ATL) S DL 4644 Non-stop Canadair CRJ 900 (CR9) 1:14 Operates only on 2026-01-05
Mon-Fri,Sun 19:59 Detroit (DTW) M 21:08 Birmingham (BHM) DL 4644 Non-stop Canadair CRJ 900 (CR9) 2:09 Effective 2026-02-12 through 2026-02-19
Tue-Sun 19:59 Detroit (DTW) M 21:08 Birmingham (BHM) DL 4644 Non-stop Canadair CRJ 900 (CR9) 2:09 Effective 2026-02-21 through 2026-03-01
Mon-Sat 19:59 Detroit (DTW) M 21:08 Birmingham (BHM) DL 4644 Non-stop Canadair CRJ 900 (CR9) 2:09 Effective 2026-03-02 through 2026-03-07

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This flight number is listed as serving the following routes:

Bristol/Johnson/Kingsport (TRI) - Atlanta (ATL)
Detroit (DTW) - Birmingham (BHM)

All Delta Air Lines flights

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Delta Air Lines flight DL 4644: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Delta Air Lines DL4644

11:17

Atlanta (ATL) S

12:26

Bristol/Johnson/Kingsport (TRI)

Effective 2026-01-19 through 2026-01-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 1:09, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

11:32

Atlanta (ATL) S

12:39

Bristol/Johnson/Kingsport (TRI)

Operates only on 2026-01-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:07, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

11:32

Atlanta (ATL) S

12:39

Bristol/Johnson/Kingsport (TRI)

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:07, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

11:50

Atlanta (ATL) S

12:54

Bristol/Johnson/Kingsport (TRI)

Effective 2026-03-08 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:04, non-stop
Canadair CRJ 700 (CR7)

Direct Flights:

Delta Air Lines DL4644

11:55

Atlanta (ATL) S

13:02

Bristol/Johnson/Kingsport (TRI)

Effective 2026-01-06 through 2026-01-13

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:07, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

11:55

Atlanta (ATL) S

13:02

Bristol/Johnson/Kingsport (TRI)

Effective 2026-01-14 through 2026-01-16

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:07, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

11:57

Atlanta (ATL) S

13:04

Bristol/Johnson/Kingsport (TRI)

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:07, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

13:06

Bristol/Johnson/Kingsport (TRI)

14:20

Atlanta (ATL) S

Effective 2026-01-19 through 2026-01-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

13:15

Atlanta (ATL) S

14:21

Bristol/Johnson/Kingsport (TRI)

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:06, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

13:19

Bristol/Johnson/Kingsport (TRI)

14:33

Atlanta (ATL) S

Operates only on 2026-01-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

13:19

Bristol/Johnson/Kingsport (TRI)

14:33

Atlanta (ATL) S

Operates only on 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

13:34

Bristol/Johnson/Kingsport (TRI)

14:44

Atlanta (ATL) S

Effective 2026-03-08 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 1:10, non-stop
Canadair CRJ 700 (CR7)

Direct Flights:

Delta Air Lines DL4644

13:44

Bristol/Johnson/Kingsport (TRI)

14:58

Atlanta (ATL) S

Operates only on 2026-01-07

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

13:45

Bristol/Johnson/Kingsport (TRI)

14:59

Atlanta (ATL) S

Effective 2026-01-06 through 2026-01-13

Mon

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

13:45

Bristol/Johnson/Kingsport (TRI)

14:59

Atlanta (ATL) S

Effective 2026-01-14 through 2026-01-16

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

15:01

Bristol/Johnson/Kingsport (TRI)

16:15

Atlanta (ATL) S

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:14, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

19:59

Detroit (DTW) M

21:08

Birmingham (BHM)

Effective 2026-02-12 through 2026-02-19

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:09, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

19:59

Detroit (DTW) M

21:08

Birmingham (BHM)

Effective 2026-02-21 through 2026-03-01

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:09, non-stop
Canadair CRJ 900 (CR9)

Direct Flights:

Delta Air Lines DL4644

19:59

Detroit (DTW) M

21:08

Birmingham (BHM)

Effective 2026-03-02 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 2:09, non-stop
Canadair CRJ 900 (CR9)

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Parallax here

This flight number is listed as serving the following routes:

Bristol/Johnson/Kingsport (TRI) - Atlanta (ATL)
Detroit (DTW) - Birmingham (BHM)

All Delta Air Lines flights

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