Delta Air Lines flight DL 640: San Francisco - Atlanta

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:30 San Francisco (SFO) 1 15:15 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:45 Effective 2026-04-13 through 2026-07-06
Daily 07:30 San Francisco (SFO) 1 15:19 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:49 Effective 2026-07-07 through 2026-10-05
Daily 07:30 San Francisco (SFO) 1 15:10 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:40 Effective from 2026-10-06
Fri 07:45 San Francisco (SFO) 1 15:19 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:34 Operates only on 2026-01-09
Daily 07:56 San Francisco (SFO) 1 15:30 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:34 Effective 2026-02-12 through 2026-03-07
Daily 08:00 San Francisco (SFO) 1 15:34 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:34 Valid until 2026-01-08
Daily 08:00 San Francisco (SFO) 1 15:34 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:34 Effective 2026-01-10 through 2026-02-11
Daily 08:00 San Francisco (SFO) 1 15:33 Atlanta (ATL) S
DL 640 Non-stop Boeing 737-900 (739) 4:33 Effective 2026-03-08 through 2026-04-12
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Delta Air Lines flight DL 640:
San Francisco - Atlanta
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL640
07:30
San Francisco (SFO) 1

15:15
Atlanta (ATL) S
Effective 2026-04-13 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:45, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL640
07:30
San Francisco (SFO) 1

15:19
Atlanta (ATL) S
Effective 2026-07-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:49, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL640
07:30
San Francisco (SFO) 1

15:10
Atlanta (ATL) S
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:40, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL640
07:45
San Francisco (SFO) 1

15:19
Atlanta (ATL) S
Operates only on 2026-01-09
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:34, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL640
07:56
San Francisco (SFO) 1

15:30
Atlanta (ATL) S
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:34, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL640
08:00
San Francisco (SFO) 1

15:34
Atlanta (ATL) S
Valid until 2026-01-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:34, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL640
08:00
San Francisco (SFO) 1

15:34
Atlanta (ATL) S
Effective 2026-01-10 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:34, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL640
08:00
San Francisco (SFO) 1

15:33
Atlanta (ATL) S
Effective 2026-03-08 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:33, non-stop
Boeing 737-900 (739)
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  • DL 640 is a domestic flight departing from the San Francisco airport (SFO) and arriving at Atlanta airport (ATL).
  • The flight distance is 2133 miles, or 3432 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:33 and 4:49.
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