Is DL4959 delayed?
Service date: · Scheduled arrival date; departure time unavailable (America/New_York)
Arrived
On time
Official source · Updated
Departure
Jacksonville
JAX
Scheduled
Not available
Arrival
New York
JFK
Actual
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Actual
JAXJFK
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 6 min late
JAX → JFK
- 9 min late
JAX → JFK
- 13 min late
JAX → JFK
- On time
JAX → JFK
- On time
JAX → JFK
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 15
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 15
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 18, 2026Arrived | Jacksonville | New York | 6 | |
| Sep 17, 2026Arrived | Jacksonville | New York | 9 | |
| Sep 16, 2026Arrived | Jacksonville | New York | 13 | |
| Sep 15, 2026Arrived | Jacksonville | New York | 0 | |
| Sep 14, 2026Arrived | Jacksonville | New York | 0 | |
| Sep 13, 2026Arrived | Jacksonville | New York | 100 | |
| Sep 12, 2026Arrived | Jacksonville | New York | 7 | |
| Sep 11, 2026Arrived | Jacksonville | New York | -10 | |
| Sep 10, 2026Arrived | Jacksonville | New York | 39 | |
| Sep 9, 2026Arrived | Jacksonville | New York | 21 | |
| Sep 8, 2026Arrived | Jacksonville | New York | 18 | |
| Sep 7, 2026Arrived | Jacksonville | New York | -3 | |
| Sep 6, 2026Arrived | Jacksonville | New York | 1 | |
| Sep 5, 2026Arrived | Jacksonville | New York | -9 | |
| Sep 4, 2026Arrived | Jacksonville | New York | 11 |