Delta Air Lines flight DL 644: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 07:00 Chicago O'Hare (ORD) 5 10:21 New York John F. Kennedy (JFK) 4
DL 644 Non-stop Airbus A220-100 (221) 2:21 Effective 2026-03-14 through 2026-04-11
Sat 10:00 Kansas City (MCI) 14:25 Cancun (CUN) 3
DL 644 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-01-10 through 2026-03-07
Daily 10:12 New York John F. Kennedy (JFK) 4 14:40 Cancun (CUN) 3
DL 644 Non-stop Airbus A321 (321) 4:28 Valid until 2026-01-04
Sat 10:36 New York John F. Kennedy (JFK) 4 13:40 Cancun (CUN) 3
DL 644 Non-stop Airbus A321neo (32Q) 4:04 Effective 2026-06-13 through 2026-08-08
Sat 10:37 New York John F. Kennedy (JFK) 4 13:45 Cancun (CUN) 3
DL 644 Non-stop Airbus A321neo (32Q) 4:08 Effective 2026-05-09 through 2026-06-06
Sat 10:38 New York John F. Kennedy (JFK) 4 13:40 Cancun (CUN) 3
DL 644 Non-stop Airbus A321neo (32Q) 4:02 Effective 2026-08-15 through 2026-09-05
Daily 11:30 New York John F. Kennedy (JFK) 4 14:55 Cancun (CUN) 3
DL 644 Non-stop Airbus A321neo (32Q) 4:25 Effective 2026-04-13 through 2026-05-06
Mon 12:02 Miami (MIA) 15:15 Detroit (DTW) M
DL 644 Non-stop Boeing 737-900 (739) 3:13 Operates only on 2026-01-05
Mon-Fri,Sun 12:02 Miami (MIA) 15:17 Detroit (DTW) M
DL 644 Non-stop Boeing 737-900 (739) 3:15 Effective 2026-01-06 through 2026-02-11
Mon-Fri,Sun 12:25 Detroit (DTW) M 13:27 Memphis (MEM)
DL 644 Non-stop Boeing 717 (717) 2:02 Effective 2026-06-07 through 2026-08-09
Mon-Fri,Sun 14:05 Memphis (MEM) 16:59 Detroit (DTW) M
DL 644 Non-stop Boeing 717 (717) 1:54 Effective 2026-06-07 through 2026-08-09
This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 644: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL644
07:00
Chicago O'Hare (ORD) 5

10:21
New York John F. Kennedy (JFK) 4
Effective 2026-03-14 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:21, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL644
10:00
Kansas City (MCI)

14:25
Cancun (CUN) 3
Effective 2026-01-10 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:25, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL644
10:12
New York John F. Kennedy (JFK) 4

14:40
Cancun (CUN) 3
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:28, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL644
10:36
New York John F. Kennedy (JFK) 4

13:40
Cancun (CUN) 3
Effective 2026-06-13 through 2026-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:04, non-stop
Airbus A321neo (32Q)
Direct Flights:
Delta Air Lines DL644
10:37
New York John F. Kennedy (JFK) 4

13:45
Cancun (CUN) 3
Effective 2026-05-09 through 2026-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:08, non-stop
Airbus A321neo (32Q)
Direct Flights:
Delta Air Lines DL644
10:38
New York John F. Kennedy (JFK) 4

13:40
Cancun (CUN) 3
Effective 2026-08-15 through 2026-09-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:02, non-stop
Airbus A321neo (32Q)
Direct Flights:
Delta Air Lines DL644
11:30
New York John F. Kennedy (JFK) 4

14:55
Cancun (CUN) 3
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:25, non-stop
Airbus A321neo (32Q)
Direct Flights:
Delta Air Lines DL644
12:02
Miami (MIA)

15:15
Detroit (DTW) M
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:13, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL644
12:02
Miami (MIA)

15:17
Detroit (DTW) M
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:15, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL644
12:25
Detroit (DTW) M

13:27
Memphis (MEM)
Effective 2026-06-07 through 2026-08-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:02, non-stop
Boeing 717 (717)
Direct Flights:
Delta Air Lines DL644
14:05
Memphis (MEM)

16:59
Detroit (DTW) M
Effective 2026-06-07 through 2026-08-09
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:54, non-stop
Boeing 717 (717)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - New York John F. Kennedy (JFK)
  • Kansas City (MCI) - Cancun (CUN)
  • Memphis (MEM) - Detroit (DTW)
  • Miami (MIA) - Detroit (DTW)
  • New York John F. Kennedy (JFK) - Cancun (CUN)
All Delta Air Lines flights
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