Is DL631 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Estimated arrivalLast reported
33 min late
This update may be out of date. Check with your airline.
Official source · Updated
Departure
San Francisco
SFO
Actual
Scheduled 13:44
Sep 16
Arrival
New York
JFK
Estimated
Scheduled 21:40
Sep 16
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
- Not available
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Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 10 min early
SFO → JFK
- 42 min late
SFO → JFK
- 34 min late
SFO → JFK
- 4 min early
SFO → JFK
- 21 min late
SFO → JFK
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 7
- Arrivals over 15 minutes late
- 3
- Observed cancellations
- 0
- Observed occurrences
- 8
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 15, 2026Arrived | San Francisco | New York | -10 | |
| Sep 14, 2026Arrived | San Francisco | New York | 42 | |
| Sep 13, 2026Arrived | San Francisco | New York | 34 | |
| Sep 11, 2026Arrived | San Francisco | New York | -4 | |
| Sep 10, 2026Arrived | San Francisco | New York | 21 | |
| Sep 9, 2026Arrived | San Francisco | New York | 4 | |
| Sep 8, 2026Arrived | San Francisco | New York | -15 |