Delta Air Lines flight DL 637: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 08:15 Cancun (CUN) 3 10:35 Los Angeles (LAX) B
DL 637 Non-stop Boeing 737-900 (739) 5:20 Effective 2025-12-21 through 2026-01-05
Sat 08:15 Cancun (CUN) 3 10:38 Los Angeles (LAX) B
DL 637 Non-stop Boeing 737-900 (739) 5:23 Effective 2025-12-27 through 2026-01-03
Tue 08:15 Cancun (CUN) 3 10:38 Los Angeles (LAX) B
DL 637 Non-stop Boeing 737-900 (739) 5:23 Operates only on 2026-01-06
Sat 09:09 Atlanta (ATL) S 10:43 Fort Myers (RSW)
DL 637 Non-stop Boeing 757 (757) 1:34 Effective 2025-06-14 through 2025-06-28
Sat 11:48 Fort Myers (RSW) 13:29 Atlanta (ATL) S
DL 637 Non-stop Boeing 757 (757) 1:41 Effective 2025-06-14 through 2025-06-28
Mon-Fri,Sun 14:56 Detroit (DTW) M 16:36 Richmond (RIC)
DL 637 Non-stop Boeing 717 (717) 1:40 Effective 2025-06-08 through 2025-06-27
Wed,Thu,Sun 14:56 Detroit (DTW) M 16:36 Richmond (RIC)
DL 637 Non-stop Boeing 717 (717) 1:40 Effective 2025-07-02 through 2025-07-06
Mon-Fri,Sun 17:21 Richmond (RIC) 19:08 Detroit (DTW) M
DL 637 Non-stop Boeing 717 (717) 1:47 Effective 2025-06-08 through 2025-06-27
Wed,Thu,Sun 17:21 Richmond (RIC) 19:08 Detroit (DTW) M
DL 637 Non-stop Boeing 717 (717) 1:47 Effective 2025-07-02 through 2025-07-06
Mon-Fri,Sun 19:30 Seattle-Tacoma (SEA) 22:21 Santa Ana (SNA)
DL 637 Non-stop Airbus A220-100 (221) 2:51 Effective 2025-07-07 through 2025-08-29
Mon-Fri,Sun 19:30 Seattle-Tacoma (SEA) 22:21 Santa Ana (SNA)
DL 637 Non-stop Airbus A220-100 (221) 2:51 Effective 2025-09-01 through 2025-09-07
Mon-Fri,Sun 19:30 Seattle-Tacoma (SEA) 22:19 Santa Ana (SNA)
DL 637 Non-stop Airbus A220-100 (221) 2:49 Effective 2025-09-08 through 2025-12-19
Mon-Fri,Sun 19:40 Seattle-Tacoma (SEA) 22:28 Santa Ana (SNA)
DL 637 Non-stop Airbus A220-100 (221) 2:48 Valid until 2025-05-06
Tue,Wed,Sat 22:45 San Francisco (SFO) 1 07:30 New York John F. Kennedy (JFK) 4
DL 637 Non-stop Boeing 767 (76W) 5:45 Effective 2025-05-07 through 2025-05-27
The flight arrives 1 day after departure.
Mon,Thu,Fri,Sun 22:45 San Francisco (SFO) 1 07:24 New York John F. Kennedy (JFK) 4
DL 637 Non-stop Boeing 767 (76W) 5:39 Effective 2025-05-08 through 2025-06-06
The flight arrives 1 day after departure.
Wed,Sat 22:45 San Francisco (SFO) 1 07:29 New York John F. Kennedy (JFK) 4
DL 637 Non-stop Boeing 767 (76W) 5:44 Effective 2025-05-28 through 2025-05-31
The flight arrives 1 day after departure.
Tue,Wed,Sat 22:45 San Francisco (SFO) 1 07:30 New York John F. Kennedy (JFK) 4
DL 637 Non-stop Boeing 767 (76W) 5:45 Effective 2025-06-03 through 2025-06-07
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:


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Delta Air Lines flight DL 637: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL637
08:15
Cancun (CUN) 3

10:35
Los Angeles (LAX) B
Effective 2025-12-21 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:20, non-stop
Boeing 737-900 (739)
Delta Air Lines DL637
08:15
Cancun (CUN) 3

10:38
Los Angeles (LAX) B
Effective 2025-12-27 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:23, non-stop
Boeing 737-900 (739)
Delta Air Lines DL637
08:15
Cancun (CUN) 3

10:38
Los Angeles (LAX) B
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:23, non-stop
Boeing 737-900 (739)
Delta Air Lines DL637
09:09
Atlanta (ATL) S

10:43
Fort Myers (RSW)
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:34, non-stop
Boeing 757 (757)
Delta Air Lines DL637
11:48
Fort Myers (RSW)

13:29
Atlanta (ATL) S
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:41, non-stop
Boeing 757 (757)
Delta Air Lines DL637
14:56
Detroit (DTW) M

16:36
Richmond (RIC)
Effective 2025-06-08 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 717 (717)
Delta Air Lines DL637
14:56
Detroit (DTW) M

16:36
Richmond (RIC)
Effective 2025-07-02 through 2025-07-06
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 717 (717)
Delta Air Lines DL637
17:21
Richmond (RIC)

19:08
Detroit (DTW) M
Effective 2025-06-08 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:47, non-stop
Boeing 717 (717)
Delta Air Lines DL637
17:21
Richmond (RIC)

19:08
Detroit (DTW) M
Effective 2025-07-02 through 2025-07-06
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:47, non-stop
Boeing 717 (717)
Delta Air Lines DL637
19:30
Seattle-Tacoma (SEA)

22:21
Santa Ana (SNA)
Effective 2025-07-07 through 2025-08-29
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:51, non-stop
Airbus A220-100 (221)
Delta Air Lines DL637
19:30
Seattle-Tacoma (SEA)

22:21
Santa Ana (SNA)
Effective 2025-09-01 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:51, non-stop
Airbus A220-100 (221)
Delta Air Lines DL637
19:30
Seattle-Tacoma (SEA)

22:19
Santa Ana (SNA)
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:49, non-stop
Airbus A220-100 (221)
Delta Air Lines DL637
19:40
Seattle-Tacoma (SEA)

22:28
Santa Ana (SNA)
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:48, non-stop
Airbus A220-100 (221)
Delta Air Lines DL637
22:45
San Francisco (SFO) 1

07:30(+1)
New York John F. Kennedy (JFK) 4
Effective 2025-05-07 through 2025-05-27
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:45, non-stop
Boeing 767 (76W)
The flight arrives 1 day after departure.
Delta Air Lines DL637
22:45
San Francisco (SFO) 1

07:24(+1)
New York John F. Kennedy (JFK) 4
Effective 2025-05-08 through 2025-06-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:39, non-stop
Boeing 767 (76W)
The flight arrives 1 day after departure.
Delta Air Lines DL637
22:45
San Francisco (SFO) 1

07:29(+1)
New York John F. Kennedy (JFK) 4
Effective 2025-05-28 through 2025-05-31
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:44, non-stop
Boeing 767 (76W)
The flight arrives 1 day after departure.
Delta Air Lines DL637
22:45
San Francisco (SFO) 1

07:30(+1)
New York John F. Kennedy (JFK) 4
Effective 2025-06-03 through 2025-06-07
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:45, non-stop
Boeing 767 (76W)
The flight arrives 1 day after departure.
This flight number is listed as serving the following routes:
  • Cancun (CUN) - Los Angeles (LAX)
  • Detroit (DTW) - Richmond (RIC)
  • Fort Myers (RSW) - Atlanta (ATL)
  • San Francisco (SFO) - New York John F. Kennedy (JFK)
  • Seattle-Tacoma (SEA) - Santa Ana (SNA)
All Delta Air Lines flights
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