Flight
DAL640 21 Aug 2025
DAL640, operated by Delta Air Lines, on 21 Aug 2025: San Francisco International (KSFO) to The William B Hartsfield Atlanta International (KATL), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:46 PDT 20 Aug |
| Last seen | 14:56 EDT |
| Duration | 16h 09m |
| Aircraft | N595NW |
| Max altitude | 35,000 ft |
| Distance tracked | 1,854 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KATL THE WILLIAM B HARTSFIELD ATLANTA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:55 PDT |
| Last seen | 16:28 EDT |
| Duration | 0h 32m |
| Aircraft | N584NW |
| Distance tracked | 1,854 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 6 (86%) |
| Average delay | +10 min |
| Worst delay | +18 min |
In the last 30 days DAL640 departed on time (within 15 minutes) on 6 of 7 flights (86%), with an average departure delay of +10 min and a worst delay of +18 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.