Delta Air Lines flight DL 1223: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 10:20 Fort Myers (RSW) 13:37 Boston Logan (BOS) A
DL 1223 Non-stop Boeing 737-800 (738) 3:17 Effective 2025-06-14 through 2025-07-05
Mon-Fri,Sun 10:35 Fort Myers (RSW) 13:53 Boston Logan (BOS) A
DL 1223 Non-stop Boeing 737-800 (738) 3:18 Effective 2025-06-08 through 2025-07-06
Daily 12:48 Chicago O'Hare (ORD) 5 15:25 Seattle-Tacoma (SEA)
DL 1223 Non-stop Boeing 737-800 (738) 4:37 Effective 2025-08-04 through 2025-08-10
Daily 14:34 Atlanta (ATL) S 15:46 George Bush, Houston (IAH) A
DL 1223 Non-stop Airbus A321 (321) 2:12 Valid until 2025-05-06
Mon,Thu,Fri,Sun 14:52 Atlanta (ATL) S 16:04 George Bush, Houston (IAH) A
DL 1223 Non-stop Airbus A320 (320) 2:12 Effective 2025-05-08 through 2025-05-29
Fri 14:52 Atlanta (ATL) S 16:04 George Bush, Houston (IAH) A
DL 1223 Non-stop Airbus A319 (319) 2:12 Operates only on 2025-05-30
Mon,Thu,Fri,Sun 14:52 Atlanta (ATL) S 16:04 George Bush, Houston (IAH) A
DL 1223 Non-stop Airbus A320 (320) 2:12 Effective 2025-06-01 through 2025-06-06
Tue,Wed,Sat 14:59 Atlanta (ATL) S 16:11 George Bush, Houston (IAH) A
DL 1223 Non-stop Airbus A320 (320) 2:12 Effective 2025-05-07 through 2025-06-07
Daily 16:20 Atlanta (ATL) S 17:38 George Bush, Houston (IAH) A
DL 1223 Non-stop Airbus A320 (320) 2:18 Effective 2025-12-20 through 2026-01-05
Daily 16:20 Atlanta (ATL) S 17:43 George Bush, Houston (IAH) A
DL 1223 Non-stop Airbus A320 (320) 2:23 Effective from 2026-01-06
Daily 16:51 George Bush, Houston (IAH) A 19:52 Atlanta (ATL) S
DL 1223 Non-stop Airbus A321 (321) 2:01 Valid until 2025-05-06
Mon,Thu,Fri,Sun 16:59 George Bush, Houston (IAH) A 20:11 Atlanta (ATL) S
DL 1223 Non-stop Airbus A320 (320) 2:12 Effective 2025-05-08 through 2025-05-29
Fri 16:59 George Bush, Houston (IAH) A 20:10 Atlanta (ATL) S
DL 1223 Non-stop Airbus A319 (319) 2:11 Operates only on 2025-05-30
Mon,Thu,Fri,Sun 16:59 George Bush, Houston (IAH) A 20:11 Atlanta (ATL) S
DL 1223 Non-stop Airbus A320 (320) 2:12 Effective 2025-06-01 through 2025-06-06
Daily 17:00 George Bush, Houston (IAH) A 20:09 Atlanta (ATL) S
DL 1223 Non-stop Airbus A320 (320) 2:09 Effective 2025-09-08 through 2025-12-19
Tue,Wed,Sat 17:06 George Bush, Houston (IAH) A 20:17 Atlanta (ATL) S
DL 1223 Non-stop Airbus A320 (320) 2:11 Effective 2025-05-07 through 2025-06-07
Daily 18:00 George Bush, Houston (IAH) A 21:04 Atlanta (ATL) S
DL 1223 Non-stop Airbus A320 (320) 2:04 Effective from 2026-01-06
Daily 18:20 George Bush, Houston (IAH) A 21:31 Atlanta (ATL) S
DL 1223 Non-stop Airbus A320 (320) 2:11 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 1223: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL1223
10:20
Fort Myers (RSW)

13:37
Boston Logan (BOS) A
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:17, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1223
10:35
Fort Myers (RSW)

13:53
Boston Logan (BOS) A
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:18, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1223
12:48
Chicago O'Hare (ORD) 5

15:25
Seattle-Tacoma (SEA)
Effective 2025-08-04 through 2025-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:37, non-stop
Boeing 737-800 (738)
Delta Air Lines DL1223
14:34
Atlanta (ATL) S

15:46
George Bush, Houston (IAH) A
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Airbus A321 (321)
Delta Air Lines DL1223
14:52
Atlanta (ATL) S

16:04
George Bush, Houston (IAH) A
Effective 2025-05-08 through 2025-05-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:12, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
14:52
Atlanta (ATL) S

16:04
George Bush, Houston (IAH) A
Operates only on 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:12, non-stop
Airbus A319 (319)
Delta Air Lines DL1223
14:52
Atlanta (ATL) S

16:04
George Bush, Houston (IAH) A
Effective 2025-06-01 through 2025-06-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:12, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
14:59
Atlanta (ATL) S

16:11
George Bush, Houston (IAH) A
Effective 2025-05-07 through 2025-06-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:12, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
16:20
Atlanta (ATL) S

17:38
George Bush, Houston (IAH) A
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
16:20
Atlanta (ATL) S

17:43
George Bush, Houston (IAH) A
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:23, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
16:51
George Bush, Houston (IAH) A

19:52
Atlanta (ATL) S
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:01, non-stop
Airbus A321 (321)
Delta Air Lines DL1223
16:59
George Bush, Houston (IAH) A

20:11
Atlanta (ATL) S
Effective 2025-05-08 through 2025-05-29
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:12, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
16:59
George Bush, Houston (IAH) A

20:10
Atlanta (ATL) S
Operates only on 2025-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:11, non-stop
Airbus A319 (319)
Delta Air Lines DL1223
16:59
George Bush, Houston (IAH) A

20:11
Atlanta (ATL) S
Effective 2025-06-01 through 2025-06-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:12, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
17:00
George Bush, Houston (IAH) A

20:09
Atlanta (ATL) S
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:09, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
17:06
George Bush, Houston (IAH) A

20:17
Atlanta (ATL) S
Effective 2025-05-07 through 2025-06-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:11, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
18:00
George Bush, Houston (IAH) A

21:04
Atlanta (ATL) S
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Airbus A320 (320)
Delta Air Lines DL1223
18:20
George Bush, Houston (IAH) A

21:31
Atlanta (ATL) S
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:11, non-stop
Airbus A320 (320)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Seattle-Tacoma (SEA)
  • Fort Myers (RSW) - Boston Logan (BOS)
  • George Bush, Houston (IAH) - Atlanta (ATL)
All Delta Air Lines flights
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