Delta Air Lines flight DL 643: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Sat 14:40 Cancun (CUN) 3 19:45 New York John F. Kennedy (JFK) 4
DL 643 Non-stop Airbus A321neo (32Q) 4:05 Effective 2025-05-10 through 2025-06-07
Sat 14:40 Cancun (CUN) 3 20:04 New York John F. Kennedy (JFK) 4
DL 643 Non-stop Boeing 737-900 (739) 4:24 Effective 2025-06-14 through 2025-07-05
Sat 14:49 Cancun (CUN) 3 20:20 New York John F. Kennedy (JFK) 4
DL 643 Non-stop Airbus A321neo (32Q) 4:31 Effective 2025-07-12 through 2025-08-30
Daily 15:45 Cancun (CUN) 3 19:37 New York John F. Kennedy (JFK) 4
DL 643 Non-stop Airbus A321neo (32Q) 3:52 Effective 2025-12-20 through 2026-01-05
Daily 15:55 Cancun (CUN) 3 19:55 New York John F. Kennedy (JFK) 4
DL 643 Non-stop Airbus A321neo (32Q) 4:00 Effective from 2026-01-06
Mon-Fri 17:10 Salt Lake City (SLC) 18:21 Boise (BOI)
DL 643 Non-stop Airbus A220-100 (221) 1:11 Effective 2025-05-22 through 2025-05-30
Mon-Fri,Sun 17:10 Salt Lake City (SLC) 18:21 Boise (BOI)
DL 643 Non-stop Airbus A220-100 (221) 1:11 Effective 2025-06-01 through 2025-06-06
Fri 17:15 Birmingham (BHM) 19:25 Atlanta (ATL) S
DL 643 Non-stop Boeing 737-900 (739) 1:10 Operates only on 2025-07-04
Mon-Fri,Sun 17:30 Salt Lake City (SLC) 18:39 Boise (BOI)
DL 643 Non-stop Airbus A220-100 (221) 1:09 Effective 2025-05-07 through 2025-05-21
Mon-Fri 19:18 Boise (BOI) 20:35 Salt Lake City (SLC)
DL 643 Non-stop Airbus A220-100 (221) 1:17 Effective 2025-05-22 through 2025-05-30
Mon-Fri,Sun 19:18 Boise (BOI) 20:35 Salt Lake City (SLC)
DL 643 Non-stop Airbus A220-100 (221) 1:17 Effective 2025-06-01 through 2025-06-06
Daily 19:25 Atlanta (ATL) S 21:59 Portland (PWM)
DL 643 Non-stop Airbus A320 (320) 2:34 Effective 2025-11-06 through 2025-12-19
Mon-Fri,Sun 19:40 Boise (BOI) 21:03 Salt Lake City (SLC)
DL 643 Non-stop Airbus A220-100 (221) 1:23 Effective 2025-05-07 through 2025-05-21
Mon,Thu,Fri,Sun 21:45 San Diego (SAN) 2 05:00 Atlanta (ATL) S
DL 643 Non-stop Airbus A321 (321) 4:15 Valid until 2025-05-05
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 643: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL643
14:40
Cancun (CUN) 3

19:45
New York John F. Kennedy (JFK) 4
Effective 2025-05-10 through 2025-06-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:05, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL643
14:40
Cancun (CUN) 3

20:04
New York John F. Kennedy (JFK) 4
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:24, non-stop
Boeing 737-900 (739)
Delta Air Lines DL643
14:49
Cancun (CUN) 3

20:20
New York John F. Kennedy (JFK) 4
Effective 2025-07-12 through 2025-08-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:31, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL643
15:45
Cancun (CUN) 3

19:37
New York John F. Kennedy (JFK) 4
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:52, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL643
15:55
Cancun (CUN) 3

19:55
New York John F. Kennedy (JFK) 4
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Airbus A321neo (32Q)
Delta Air Lines DL643
17:10
Salt Lake City (SLC)

18:21
Boise (BOI)
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:11, non-stop
Airbus A220-100 (221)
Delta Air Lines DL643
17:10
Salt Lake City (SLC)

18:21
Boise (BOI)
Effective 2025-06-01 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:11, non-stop
Airbus A220-100 (221)
Delta Air Lines DL643
17:15
Birmingham (BHM)

19:25
Atlanta (ATL) S
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-900 (739)
Delta Air Lines DL643
17:30
Salt Lake City (SLC)

18:39
Boise (BOI)
Effective 2025-05-07 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:09, non-stop
Airbus A220-100 (221)
Delta Air Lines DL643
19:18
Boise (BOI)

20:35
Salt Lake City (SLC)
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:17, non-stop
Airbus A220-100 (221)
Delta Air Lines DL643
19:18
Boise (BOI)

20:35
Salt Lake City (SLC)
Effective 2025-06-01 through 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:17, non-stop
Airbus A220-100 (221)
Delta Air Lines DL643
19:25
Atlanta (ATL) S

21:59
Portland (PWM)
Effective 2025-11-06 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Airbus A320 (320)
Delta Air Lines DL643
19:40
Boise (BOI)

21:03
Salt Lake City (SLC)
Effective 2025-05-07 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:23, non-stop
Airbus A220-100 (221)
Delta Air Lines DL643
21:45
San Diego (SAN) 2

05:00(+1)
Atlanta (ATL) S
Valid until 2025-05-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:15, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:
  • Atlanta (ATL) - Portland (PWM)
  • Birmingham (BHM) - Atlanta (ATL)
  • Cancun (CUN) - New York John F. Kennedy (JFK)
  • Salt Lake City (SLC) - Boise (BOI)
  • San Diego (SAN) - Atlanta (ATL)
All Delta Air Lines flights
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