Delta Air Lines flight DL 3840: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 14:35 Seattle-Tacoma (SEA) 16:52 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:17 Effective 2025-06-08 through 2025-07-06
Daily 15:15 Seattle-Tacoma (SEA) 17:28 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:13 Effective 2025-05-07 through 2025-05-23
Daily 15:15 Seattle-Tacoma (SEA) 17:28 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:13 Effective 2025-05-26 through 2025-06-07
Daily 15:25 Seattle-Tacoma (SEA) 17:39 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:14 Effective 2025-12-20 through 2026-01-05
Daily 15:29 Seattle-Tacoma (SEA) 17:45 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:16 Valid until 2025-05-06
Daily 15:30 Seattle-Tacoma (SEA) 17:50 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:20 Effective 2025-07-07 through 2025-09-07
Daily 15:30 Seattle-Tacoma (SEA) 17:48 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:18 Effective 2025-09-08 through 2025-12-19
Daily 15:30 Seattle-Tacoma (SEA) 17:48 San Jose (SJC) A DL 3840 Non-stop Embraer EMB 175 (E7W) 2:18 Effective from 2026-01-06
Sat,Sun 15:55 Detroit (DTW) M 16:37 Saint Louis (STL) 1 DL 3840 Non-stop Canadair CRJ 900 (CR9) 1:42 Effective 2025-05-24 through 2025-05-25
Daily 17:50 San Jose (SJC) A 20:10 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:20 Effective 2025-06-08 through 2025-07-06
Daily 18:08 San Jose (SJC) A 20:35 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:27 Effective 2025-05-07 through 2025-05-23
Daily 18:08 San Jose (SJC) A 20:35 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:27 Effective 2025-05-26 through 2025-06-07
Daily 18:24 San Jose (SJC) A 20:49 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:25 Effective 2025-12-20 through 2026-01-05
Daily 18:25 San Jose (SJC) A 20:48 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:23 Valid until 2025-05-06
Daily 18:25 San Jose (SJC) A 20:43 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:18 Effective 2025-07-07 through 2025-08-29
Daily 18:25 San Jose (SJC) A 20:43 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:18 Effective 2025-09-01 through 2025-09-07
Daily 18:25 San Jose (SJC) A 20:50 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:25 Effective 2025-09-08 through 2025-12-19
Daily 18:25 San Jose (SJC) A 20:50 Seattle-Tacoma (SEA) DL 3840 Non-stop Embraer EMB 175 (E7W) 2:25 Effective from 2026-01-06

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This flight number is listed as serving the following routes:

Detroit (DTW) - Saint Louis (STL)
Seattle-Tacoma (SEA) - San Jose (SJC)

All Delta Air Lines flights

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Delta Air Lines flight DL 3840: Multiple routes

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FLIGHT SCHEDULE

Direct Flights:

Delta Air Lines DL3840

14:35

Seattle-Tacoma (SEA)

16:52

San Jose (SJC) A

Effective 2025-06-08 through 2025-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:17, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:15

Seattle-Tacoma (SEA)

17:28

San Jose (SJC) A

Effective 2025-05-07 through 2025-05-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:13, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:15

Seattle-Tacoma (SEA)

17:28

San Jose (SJC) A

Effective 2025-05-26 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:13, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:25

Seattle-Tacoma (SEA)

17:39

San Jose (SJC) A

Effective 2025-12-20 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:14, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:29

Seattle-Tacoma (SEA)

17:45

San Jose (SJC) A

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:16, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:30

Seattle-Tacoma (SEA)

17:50

San Jose (SJC) A

Effective 2025-07-07 through 2025-09-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:20, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:30

Seattle-Tacoma (SEA)

17:48

San Jose (SJC) A

Effective 2025-09-08 through 2025-12-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:30

Seattle-Tacoma (SEA)

17:48

San Jose (SJC) A

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

15:55

Detroit (DTW) M

16:37

Saint Louis (STL) 1

Effective 2025-05-24 through 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 1:42, non-stop
Canadair CRJ 900 (CR9)

Delta Air Lines DL3840

17:50

San Jose (SJC) A

20:10

Seattle-Tacoma (SEA)

Effective 2025-06-08 through 2025-07-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:20, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:08

San Jose (SJC) A

20:35

Seattle-Tacoma (SEA)

Effective 2025-05-07 through 2025-05-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:27, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:08

San Jose (SJC) A

20:35

Seattle-Tacoma (SEA)

Effective 2025-05-26 through 2025-06-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:27, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:24

San Jose (SJC) A

20:49

Seattle-Tacoma (SEA)

Effective 2025-12-20 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:25, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:25

San Jose (SJC) A

20:48

Seattle-Tacoma (SEA)

Valid until 2025-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:23, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:25

San Jose (SJC) A

20:43

Seattle-Tacoma (SEA)

Effective 2025-07-07 through 2025-08-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:25

San Jose (SJC) A

20:43

Seattle-Tacoma (SEA)

Effective 2025-09-01 through 2025-09-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:18, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:25

San Jose (SJC) A

20:50

Seattle-Tacoma (SEA)

Effective 2025-09-08 through 2025-12-19

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:25, non-stop
Embraer EMB 175 (E7W)

Delta Air Lines DL3840

18:25

San Jose (SJC) A

20:50

Seattle-Tacoma (SEA)

Effective from 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:25, non-stop
Embraer EMB 175 (E7W)

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Parallax here

This flight number is listed as serving the following routes:

Detroit (DTW) - Saint Louis (STL)
Seattle-Tacoma (SEA) - San Jose (SJC)

All Delta Air Lines flights

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- CACHE: False - LANG: en - IS_EU: False